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Finding the Fourth Proportional to 552,676,588.48, 762,373,963.68 and 357,106,300.48

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Solution

The fourth proportional to 552,676,588.48, 762,373,963.68 and 357,106,300.48 is: 492,600,105.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,676,588.48 : 762,373,963.68 = 357,106,300.48 : x
  2. Step 2: Convert to fraction form
    552,676,588.48/762,373,963.68 = 357,106,300.48/x
  3. Step 3: Cross multiply
    552,676,588.48x = 762,373,963.68 × 357,106,300.48
  4. Step 4: Simplify right side
    552,676,588.48x = 272,248,545,752,038,688
  5. Step 5: Solve for x
    x = 272,248,545,752,038,688/552,676,588.48
  6. Step 6: Final answer
    x = 492,600,105.43

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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.