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Finding the Fourth Proportional to 688,636,302.60, 1,032,954,453.90 and 688,636,302.60

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Solution

The fourth proportional to 688,636,302.60, 1,032,954,453.90 and 688,636,302.60 is: 1,032,954,453.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,636,302.60 : 1,032,954,453.90 = 688,636,302.60 : x
  2. Step 2: Convert to fraction form
    688,636,302.60/1,032,954,453.90 = 688,636,302.60/x
  3. Step 3: Cross multiply
    688,636,302.60x = 1,032,954,453.90 × 688,636,302.60
  4. Step 4: Simplify right side
    688,636,302.60x = 711,329,935,887,898,112
  5. Step 5: Solve for x
    x = 711,329,935,887,898,112/688,636,302.60
  6. Step 6: Final answer
    x = 1,032,954,453.90

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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.