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Finding the Fourth Proportional to 532,287.05, 798,430.61 and 425,169.48

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Solution

The fourth proportional to 532,287.05, 798,430.61 and 425,169.48 is: 637,754.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,287.05 : 798,430.61 = 425,169.48 : x
  2. Step 2: Convert to fraction form
    532,287.05/798,430.61 = 425,169.48/x
  3. Step 3: Cross multiply
    532,287.05x = 798,430.61 × 425,169.48
  4. Step 4: Simplify right side
    532,287.05x = 339,468,328,036.08
  5. Step 5: Solve for x
    x = 339,468,328,036.08/532,287.05
  6. Step 6: Final answer
    x = 637,754.25

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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.