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Finding the Fourth Proportional to 707,126.74, 975,156.49 and 475,077.94

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Solution

The fourth proportional to 707,126.74, 975,156.49 and 475,077.94 is: 655,151.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,126.74 : 975,156.49 = 475,077.94 : x
  2. Step 2: Convert to fraction form
    707,126.74/975,156.49 = 475,077.94/x
  3. Step 3: Cross multiply
    707,126.74x = 975,156.49 × 475,077.94
  4. Step 4: Simplify right side
    707,126.74x = 463,275,336,446.83
  5. Step 5: Solve for x
    x = 463,275,336,446.83/707,126.74
  6. Step 6: Final answer
    x = 655,151.77

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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.