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Finding the Fourth Proportional to 578,417.08, 798,210.01 and 333,311.79

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Solution

The fourth proportional to 578,417.08, 798,210.01 and 333,311.79 is: 459,967.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,417.08 : 798,210.01 = 333,311.79 : x
  2. Step 2: Convert to fraction form
    578,417.08/798,210.01 = 333,311.79/x
  3. Step 3: Cross multiply
    578,417.08x = 798,210.01 × 333,311.79
  4. Step 4: Simplify right side
    578,417.08x = 266,052,807,229.02
  5. Step 5: Solve for x
    x = 266,052,807,229.02/578,417.08
  6. Step 6: Final answer
    x = 459,967.07

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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.