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Finding the Fourth Proportional to 452,715,000.30, 679,072,500.45 and 452,715,000.30

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Solution

The fourth proportional to 452,715,000.30, 679,072,500.45 and 452,715,000.30 is: 679,072,500.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,715,000.30 : 679,072,500.45 = 452,715,000.30 : x
  2. Step 2: Convert to fraction form
    452,715,000.30/679,072,500.45 = 452,715,000.30/x
  3. Step 3: Cross multiply
    452,715,000.30x = 679,072,500.45 × 452,715,000.30
  4. Step 4: Simplify right side
    452,715,000.30x = 307,426,307,244,943,552
  5. Step 5: Solve for x
    x = 307,426,307,244,943,552/452,715,000.30
  6. Step 6: Final answer
    x = 679,072,500.45

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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.