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Finding the Fourth Proportional to 578,416.84, 798,209.67 and 333,311.55

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Solution

The fourth proportional to 578,416.84, 798,209.67 and 333,311.55 is: 459,966.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,416.84 : 798,209.67 = 333,311.55 : x
  2. Step 2: Convert to fraction form
    578,416.84/798,209.67 = 333,311.55/x
  3. Step 3: Cross multiply
    578,416.84x = 798,209.67 × 333,311.55
  4. Step 4: Simplify right side
    578,416.84x = 266,052,502,332.69
  5. Step 5: Solve for x
    x = 266,052,502,332.69/578,416.84
  6. Step 6: Final answer
    x = 459,966.73

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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.