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Finding the Fourth Proportional to 649,298.32, 896,029.72 and 362,818.68

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Solution

The fourth proportional to 649,298.32, 896,029.72 and 362,818.68 is: 500,688.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,298.32 : 896,029.72 = 362,818.68 : x
  2. Step 2: Convert to fraction form
    649,298.32/896,029.72 = 362,818.68/x
  3. Step 3: Cross multiply
    649,298.32x = 896,029.72 × 362,818.68
  4. Step 4: Simplify right side
    649,298.32x = 325,096,320,251.17
  5. Step 5: Solve for x
    x = 325,096,320,251.17/649,298.32
  6. Step 6: Final answer
    x = 500,688.68

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.