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Finding the Fourth Proportional to 407,864.86, 563,005.08 and 350,272.92

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Solution

The fourth proportional to 407,864.86, 563,005.08 and 350,272.92 is: 483,506.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,864.86 : 563,005.08 = 350,272.92 : x
  2. Step 2: Convert to fraction form
    407,864.86/563,005.08 = 350,272.92/x
  3. Step 3: Cross multiply
    407,864.86x = 563,005.08 × 350,272.92
  4. Step 4: Simplify right side
    407,864.86x = 197,205,433,346.43
  5. Step 5: Solve for x
    x = 197,205,433,346.43/407,864.86
  6. Step 6: Final answer
    x = 483,506.80

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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.