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Finding the Fourth Proportional to 594,095.40, 891,143.10 and 194,639.85

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Solution

The fourth proportional to 594,095.40, 891,143.10 and 194,639.85 is: 291,959.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,095.40 : 891,143.10 = 194,639.85 : x
  2. Step 2: Convert to fraction form
    594,095.40/891,143.10 = 194,639.85/x
  3. Step 3: Cross multiply
    594,095.40x = 891,143.10 × 194,639.85
  4. Step 4: Simplify right side
    594,095.40x = 173,451,959,312.54
  5. Step 5: Solve for x
    x = 173,451,959,312.54/594,095.40
  6. Step 6: Final answer
    x = 291,959.78

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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.