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Finding the Fourth Proportional to 418,210.92, 577,142.82 and 246,141

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Solution

The fourth proportional to 418,210.92, 577,142.82 and 246,141 is: 339,681.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,210.92 : 577,142.82 = 246,141 : x
  2. Step 2: Convert to fraction form
    418,210.92/577,142.82 = 246,141/x
  3. Step 3: Cross multiply
    418,210.92x = 577,142.82 × 246,141
  4. Step 4: Simplify right side
    418,210.92x = 142,058,510,857.62
  5. Step 5: Solve for x
    x = 142,058,510,857.62/418,210.92
  6. Step 6: Final answer
    x = 339,681.50

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1.5x scale

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.