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Finding the Fourth Proportional to 578,416.58, 798,209.33 and 333,311.29

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Solution

The fourth proportional to 578,416.58, 798,209.33 and 333,311.29 is: 459,966.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,416.58 : 798,209.33 = 333,311.29 : x
  2. Step 2: Convert to fraction form
    578,416.58/798,209.33 = 333,311.29/x
  3. Step 3: Cross multiply
    578,416.58x = 798,209.33 × 333,311.29
  4. Step 4: Simplify right side
    578,416.58x = 266,052,180,803.54
  5. Step 5: Solve for x
    x = 266,052,180,803.54/578,416.58
  6. Step 6: Final answer
    x = 459,966.38

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.