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Finding the Fourth Proportional to 524,924,062.80, 787,386,094.20 and 330,204,080.40

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Solution

The fourth proportional to 524,924,062.80, 787,386,094.20 and 330,204,080.40 is: 495,306,120.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,924,062.80 : 787,386,094.20 = 330,204,080.40 : x
  2. Step 2: Convert to fraction form
    524,924,062.80/787,386,094.20 = 330,204,080.40/x
  3. Step 3: Cross multiply
    524,924,062.80x = 787,386,094.20 × 330,204,080.40
  4. Step 4: Simplify right side
    524,924,062.80x = 259,998,101,155,058,784
  5. Step 5: Solve for x
    x = 259,998,101,155,058,784/524,924,062.80
  6. Step 6: Final answer
    x = 495,306,120.60

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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.