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Finding the Fourth Proportional to 652,078.10, 911,043.10 and 652,078.10

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Solution

The fourth proportional to 652,078.10, 911,043.10 and 652,078.10 is: 911,043.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,078.10 : 911,043.10 = 652,078.10 : x
  2. Step 2: Convert to fraction form
    652,078.10/911,043.10 = 652,078.10/x
  3. Step 3: Cross multiply
    652,078.10x = 911,043.10 × 652,078.10
  4. Step 4: Simplify right side
    652,078.10x = 594,071,253,666.11
  5. Step 5: Solve for x
    x = 594,071,253,666.11/652,078.10
  6. Step 6: Final answer
    x = 911,043.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.