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Finding the Fourth Proportional to 377,130.60, 565,695.90 and 251,159.40

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Solution

The fourth proportional to 377,130.60, 565,695.90 and 251,159.40 is: 376,739.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,130.60 : 565,695.90 = 251,159.40 : x
  2. Step 2: Convert to fraction form
    377,130.60/565,695.90 = 251,159.40/x
  3. Step 3: Cross multiply
    377,130.60x = 565,695.90 × 251,159.40
  4. Step 4: Simplify right side
    377,130.60x = 142,079,842,826.46
  5. Step 5: Solve for x
    x = 142,079,842,826.46/377,130.60
  6. Step 6: Final answer
    x = 376,739.10

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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.