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Finding the Fourth Proportional to 922,175.64, 1,272,599.87 and 514,277.91

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Solution

The fourth proportional to 922,175.64, 1,272,599.87 and 514,277.91 is: 709,702.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,175.64 : 1,272,599.87 = 514,277.91 : x
  2. Step 2: Convert to fraction form
    922,175.64/1,272,599.87 = 514,277.91/x
  3. Step 3: Cross multiply
    922,175.64x = 1,272,599.87 × 514,277.91
  4. Step 4: Simplify right side
    922,175.64x = 654,470,001,409.87
  5. Step 5: Solve for x
    x = 654,470,001,409.87/922,175.64
  6. Step 6: Final answer
    x = 709,702.11

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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.