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Finding the Fourth Proportional to 577,490.59, 865,654.25 and 240,717.65

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Solution

The fourth proportional to 577,490.59, 865,654.25 and 240,717.65 is: 360,834.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,490.59 : 865,654.25 = 240,717.65 : x
  2. Step 2: Convert to fraction form
    577,490.59/865,654.25 = 240,717.65/x
  3. Step 3: Cross multiply
    577,490.59x = 865,654.25 × 240,717.65
  4. Step 4: Simplify right side
    577,490.59x = 208,378,256,772.51
  5. Step 5: Solve for x
    x = 208,378,256,772.51/577,490.59
  6. Step 6: Final answer
    x = 360,834.03

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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.