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Finding the Fourth Proportional to 539,686.04, 809,767.80 and 283,458.33

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Solution

The fourth proportional to 539,686.04, 809,767.80 and 283,458.33 is: 425,312.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,686.04 : 809,767.80 = 283,458.33 : x
  2. Step 2: Convert to fraction form
    539,686.04/809,767.80 = 283,458.33/x
  3. Step 3: Cross multiply
    539,686.04x = 809,767.80 × 283,458.33
  4. Step 4: Simplify right side
    539,686.04x = 229,535,428,275.77
  5. Step 5: Solve for x
    x = 229,535,428,275.77/539,686.04
  6. Step 6: Final answer
    x = 425,312.89

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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.