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Finding the Fourth Proportional to 649,622.16, 896,484.96 and 363,157.92

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Solution

The fourth proportional to 649,622.16, 896,484.96 and 363,157.92 is: 501,161.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,622.16 : 896,484.96 = 363,157.92 : x
  2. Step 2: Convert to fraction form
    649,622.16/896,484.96 = 363,157.92/x
  3. Step 3: Cross multiply
    649,622.16x = 896,484.96 × 363,157.92
  4. Step 4: Simplify right side
    649,622.16x = 325,565,613,384.88
  5. Step 5: Solve for x
    x = 325,565,613,384.88/649,622.16
  6. Step 6: Final answer
    x = 501,161.50

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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.