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Finding the Fourth Proportional to 556,168.30, 834,252.45 and 303,351.10

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Solution

The fourth proportional to 556,168.30, 834,252.45 and 303,351.10 is: 455,026.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,168.30 : 834,252.45 = 303,351.10 : x
  2. Step 2: Convert to fraction form
    556,168.30/834,252.45 = 303,351.10/x
  3. Step 3: Cross multiply
    556,168.30x = 834,252.45 × 303,351.10
  4. Step 4: Simplify right side
    556,168.30x = 253,071,398,385.20
  5. Step 5: Solve for x
    x = 253,071,398,385.20/556,168.30
  6. Step 6: Final answer
    x = 455,026.65

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Double scale
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Similar ratio
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1.5x scale

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.