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Finding the Fourth Proportional to 702,437.92, 1,053,011.01 and 253,048.88

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Solution

The fourth proportional to 702,437.92, 1,053,011.01 and 253,048.88 is: 379,340.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,437.92 : 1,053,011.01 = 253,048.88 : x
  2. Step 2: Convert to fraction form
    702,437.92/1,053,011.01 = 253,048.88/x
  3. Step 3: Cross multiply
    702,437.92x = 1,053,011.01 × 253,048.88
  4. Step 4: Simplify right side
    702,437.92x = 266,463,256,708.17
  5. Step 5: Solve for x
    x = 266,463,256,708.17/702,437.92
  6. Step 6: Final answer
    x = 379,340.65

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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.