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Finding the Fourth Proportional to 610,512,686.80, 914,425,337.40 and 367,752,187.60

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Solution

The fourth proportional to 610,512,686.80, 914,425,337.40 and 367,752,187.60 is: 550,818,886.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,512,686.80 : 914,425,337.40 = 367,752,187.60 : x
  2. Step 2: Convert to fraction form
    610,512,686.80/914,425,337.40 = 367,752,187.60/x
  3. Step 3: Cross multiply
    610,512,686.80x = 914,425,337.40 × 367,752,187.60
  4. Step 4: Simplify right side
    610,512,686.80x = 336,281,918,225,718,080
  5. Step 5: Solve for x
    x = 336,281,918,225,718,080/610,512,686.80
  6. Step 6: Final answer
    x = 550,818,886.32

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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.