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Finding the Fourth Proportional to 2,953,899.92, 4,430,849.88 and 932,301.20

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Solution

The fourth proportional to 2,953,899.92, 4,430,849.88 and 932,301.20 is: 1,398,451.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,953,899.92 : 4,430,849.88 = 932,301.20 : x
  2. Step 2: Convert to fraction form
    2,953,899.92/4,430,849.88 = 932,301.20/x
  3. Step 3: Cross multiply
    2,953,899.92x = 4,430,849.88 × 932,301.20
  4. Step 4: Simplify right side
    2,953,899.92x = 4,130,886,660,143.86
  5. Step 5: Solve for x
    x = 4,130,886,660,143.86/2,953,899.92
  6. Step 6: Final answer
    x = 1,398,451.80

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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.