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Finding the Fourth Proportional to 961,364.10, 1,442,046.15 and 961,364.10

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Solution

The fourth proportional to 961,364.10, 1,442,046.15 and 961,364.10 is: 1,442,046.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,364.10 : 1,442,046.15 = 961,364.10 : x
  2. Step 2: Convert to fraction form
    961,364.10/1,442,046.15 = 961,364.10/x
  3. Step 3: Cross multiply
    961,364.10x = 1,442,046.15 × 961,364.10
  4. Step 4: Simplify right side
    961,364.10x = 1,386,331,399,153.21
  5. Step 5: Solve for x
    x = 1,386,331,399,153.21/961,364.10
  6. Step 6: Final answer
    x = 1,442,046.15

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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.