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Finding the Fourth Proportional to 310,788,522.60, 466,182,783.90 and 149,545,386.60

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Solution

The fourth proportional to 310,788,522.60, 466,182,783.90 and 149,545,386.60 is: 224,318,079.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,788,522.60 : 466,182,783.90 = 149,545,386.60 : x
  2. Step 2: Convert to fraction form
    310,788,522.60/466,182,783.90 = 149,545,386.60/x
  3. Step 3: Cross multiply
    310,788,522.60x = 466,182,783.90 × 149,545,386.60
  4. Step 4: Simplify right side
    310,788,522.60x = 69,715,484,644,589,752
  5. Step 5: Solve for x
    x = 69,715,484,644,589,752/310,788,522.60
  6. Step 6: Final answer
    x = 224,318,079.90

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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.