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Finding the Fourth Proportional to 865,384.52, 1,194,230.64 and 483,411.32

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Solution

The fourth proportional to 865,384.52, 1,194,230.64 and 483,411.32 is: 667,107.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,384.52 : 1,194,230.64 = 483,411.32 : x
  2. Step 2: Convert to fraction form
    865,384.52/1,194,230.64 = 483,411.32/x
  3. Step 3: Cross multiply
    865,384.52x = 1,194,230.64 × 483,411.32
  4. Step 4: Simplify right side
    865,384.52x = 577,304,610,066.85
  5. Step 5: Solve for x
    x = 577,304,610,066.85/865,384.52
  6. Step 6: Final answer
    x = 667,107.62

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Double scale
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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.