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Finding the Fourth Proportional to 418,630.61, 577,753.14 and 246,602.72

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Solution

The fourth proportional to 418,630.61, 577,753.14 and 246,602.72 is: 340,337.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,630.61 : 577,753.14 = 246,602.72 : x
  2. Step 2: Convert to fraction form
    418,630.61/577,753.14 = 246,602.72/x
  3. Step 3: Cross multiply
    418,630.61x = 577,753.14 × 246,602.72
  4. Step 4: Simplify right side
    418,630.61x = 142,475,492,923.78
  5. Step 5: Solve for x
    x = 142,475,492,923.78/418,630.61
  6. Step 6: Final answer
    x = 340,337.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.