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Finding the Fourth Proportional to 2,913,957.60, 4,369,186.80 and 1,496,781.60

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Solution

The fourth proportional to 2,913,957.60, 4,369,186.80 and 1,496,781.60 is: 2,244,273.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913,957.60 : 4,369,186.80 = 1,496,781.60 : x
  2. Step 2: Convert to fraction form
    2,913,957.60/4,369,186.80 = 1,496,781.60/x
  3. Step 3: Cross multiply
    2,913,957.60x = 4,369,186.80 × 1,496,781.60
  4. Step 4: Simplify right side
    2,913,957.60x = 6,539,718,409,202.88
  5. Step 5: Solve for x
    x = 6,539,718,409,202.88/2,913,957.60
  6. Step 6: Final answer
    x = 2,244,273.70

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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.