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Finding the Fourth Proportional to 510,570.59, 704,581.47 and 281,123.10

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Solution

The fourth proportional to 510,570.59, 704,581.47 and 281,123.10 is: 387,946.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,570.59 : 704,581.47 = 281,123.10 : x
  2. Step 2: Convert to fraction form
    510,570.59/704,581.47 = 281,123.10/x
  3. Step 3: Cross multiply
    510,570.59x = 704,581.47 × 281,123.10
  4. Step 4: Simplify right side
    510,570.59x = 198,074,127,048.96
  5. Step 5: Solve for x
    x = 198,074,127,048.96/510,570.59
  6. Step 6: Final answer
    x = 387,946.61

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1.5x scale

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.