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Finding the Fourth Proportional to 545,802.83, 752,697.02 and 431,354.89

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Solution

The fourth proportional to 545,802.83, 752,697.02 and 431,354.89 is: 594,865.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,802.83 : 752,697.02 = 431,354.89 : x
  2. Step 2: Convert to fraction form
    545,802.83/752,697.02 = 431,354.89/x
  3. Step 3: Cross multiply
    545,802.83x = 752,697.02 × 431,354.89
  4. Step 4: Simplify right side
    545,802.83x = 324,679,542,284.69
  5. Step 5: Solve for x
    x = 324,679,542,284.69/545,802.83
  6. Step 6: Final answer
    x = 594,865.99

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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.