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Finding the Fourth Proportional to 572,953.70, 858,863.55 and 253,279.10

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Solution

The fourth proportional to 572,953.70, 858,863.55 and 253,279.10 is: 379,668.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,953.70 : 858,863.55 = 253,279.10 : x
  2. Step 2: Convert to fraction form
    572,953.70/858,863.55 = 253,279.10/x
  3. Step 3: Cross multiply
    572,953.70x = 858,863.55 × 253,279.10
  4. Step 4: Simplify right side
    572,953.70x = 217,532,186,966.81
  5. Step 5: Solve for x
    x = 217,532,186,966.81/572,953.70
  6. Step 6: Final answer
    x = 379,668.00

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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.