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Finding the Fourth Proportional to 710,956.95, 981,132.26 and 424,502.07

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Solution

The fourth proportional to 710,956.95, 981,132.26 and 424,502.07 is: 585,819.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,956.95 : 981,132.26 = 424,502.07 : x
  2. Step 2: Convert to fraction form
    710,956.95/981,132.26 = 424,502.07/x
  3. Step 3: Cross multiply
    710,956.95x = 981,132.26 × 424,502.07
  4. Step 4: Simplify right side
    710,956.95x = 416,492,673,191.27
  5. Step 5: Solve for x
    x = 416,492,673,191.27/710,956.95
  6. Step 6: Final answer
    x = 585,819.82

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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.