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Finding the Fourth Proportional to 452,714,989.80, 679,072,484.70 and 452,714,989.80

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Solution

The fourth proportional to 452,714,989.80, 679,072,484.70 and 452,714,989.80 is: 679,072,484.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,714,989.80 : 679,072,484.70 = 452,714,989.80 : x
  2. Step 2: Convert to fraction form
    452,714,989.80/679,072,484.70 = 452,714,989.80/x
  3. Step 3: Cross multiply
    452,714,989.80x = 679,072,484.70 × 452,714,989.80
  4. Step 4: Simplify right side
    452,714,989.80x = 307,426,292,984,421,184
  5. Step 5: Solve for x
    x = 307,426,292,984,421,184/452,714,989.80
  6. Step 6: Final answer
    x = 679,072,484.70

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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.