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Finding the Fourth Proportional to 914,791, 1,262,411.58 and 557,095

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Solution

The fourth proportional to 914,791, 1,262,411.58 and 557,095 is: 768,791.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,791 : 1,262,411.58 = 557,095 : x
  2. Step 2: Convert to fraction form
    914,791/1,262,411.58 = 557,095/x
  3. Step 3: Cross multiply
    914,791x = 1,262,411.58 × 557,095
  4. Step 4: Simplify right side
    914,791x = 703,283,179,160.10
  5. Step 5: Solve for x
    x = 703,283,179,160.10/914,791
  6. Step 6: Final answer
    x = 768,791.10

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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.