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Finding the Fourth Proportional to 535,118.70, 738,041.10 and 473,929.07

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Solution

The fourth proportional to 535,118.70, 738,041.10 and 473,929.07 is: 653,647.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,118.70 : 738,041.10 = 473,929.07 : x
  2. Step 2: Convert to fraction form
    535,118.70/738,041.10 = 473,929.07/x
  3. Step 3: Cross multiply
    535,118.70x = 738,041.10 × 473,929.07
  4. Step 4: Simplify right side
    535,118.70x = 349,779,132,144.78
  5. Step 5: Solve for x
    x = 349,779,132,144.78/535,118.70
  6. Step 6: Final answer
    x = 653,647.75

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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.