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Finding the Fourth Proportional to 539,530.20, 808,226.10 and 473,045.40

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Solution

The fourth proportional to 539,530.20, 808,226.10 and 473,045.40 is: 708,630.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,530.20 : 808,226.10 = 473,045.40 : x
  2. Step 2: Convert to fraction form
    539,530.20/808,226.10 = 473,045.40/x
  3. Step 3: Cross multiply
    539,530.20x = 808,226.10 × 473,045.40
  4. Step 4: Simplify right side
    539,530.20x = 382,327,638,764.94
  5. Step 5: Solve for x
    x = 382,327,638,764.94/539,530.20
  6. Step 6: Final answer
    x = 708,630.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.