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Finding the Fourth Proportional to 649,295.68, 896,117.03 and 373,647.86

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Solution

The fourth proportional to 649,295.68, 896,117.03 and 373,647.86 is: 515,685.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,295.68 : 896,117.03 = 373,647.86 : x
  2. Step 2: Convert to fraction form
    649,295.68/896,117.03 = 373,647.86/x
  3. Step 3: Cross multiply
    649,295.68x = 896,117.03 × 373,647.86
  4. Step 4: Simplify right side
    649,295.68x = 334,832,213,743.47
  5. Step 5: Solve for x
    x = 334,832,213,743.47/649,295.68
  6. Step 6: Final answer
    x = 515,685.27

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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.