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Finding the Fourth Proportional to 452,752,000.40, 679,128,000.60 and 452,752,000.40

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Solution

The fourth proportional to 452,752,000.40, 679,128,000.60 and 452,752,000.40 is: 679,128,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,752,000.40 : 679,128,000.60 = 452,752,000.40 : x
  2. Step 2: Convert to fraction form
    452,752,000.40/679,128,000.60 = 452,752,000.40/x
  3. Step 3: Cross multiply
    452,752,000.40x = 679,128,000.60 × 452,752,000.40
  4. Step 4: Simplify right side
    452,752,000.40x = 307,476,560,799,302,400
  5. Step 5: Solve for x
    x = 307,476,560,799,302,400/452,752,000.40
  6. Step 6: Final answer
    x = 679,128,000.60

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1.5x scale

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.