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Finding the Fourth Proportional to 688,344,264.60, 964,398,606.60 and 688,344,264.60

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Solution

The fourth proportional to 688,344,264.60, 964,398,606.60 and 688,344,264.60 is: 964,398,606.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,344,264.60 : 964,398,606.60 = 688,344,264.60 : x
  2. Step 2: Convert to fraction form
    688,344,264.60/964,398,606.60 = 688,344,264.60/x
  3. Step 3: Cross multiply
    688,344,264.60x = 964,398,606.60 × 688,344,264.60
  4. Step 4: Simplify right side
    688,344,264.60x = 663,838,249,641,341,696
  5. Step 5: Solve for x
    x = 663,838,249,641,341,696/688,344,264.60
  6. Step 6: Final answer
    x = 964,398,606.60

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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.