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Finding the Fourth Proportional to 710,957.46, 981,132.94 and 424,502.58

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Solution

The fourth proportional to 710,957.46, 981,132.94 and 424,502.58 is: 585,820.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,957.46 : 981,132.94 = 424,502.58 : x
  2. Step 2: Convert to fraction form
    710,957.46/981,132.94 = 424,502.58/x
  3. Step 3: Cross multiply
    710,957.46x = 981,132.94 × 424,502.58
  4. Step 4: Simplify right side
    710,957.46x = 416,493,464,352.99
  5. Step 5: Solve for x
    x = 416,493,464,352.99/710,957.46
  6. Step 6: Final answer
    x = 585,820.51

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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.