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Finding the Fourth Proportional to 549,377.92, 758,078.88 and 307,626.88

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Solution

The fourth proportional to 549,377.92, 758,078.88 and 307,626.88 is: 424,490.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,377.92 : 758,078.88 = 307,626.88 : x
  2. Step 2: Convert to fraction form
    549,377.92/758,078.88 = 307,626.88/x
  3. Step 3: Cross multiply
    549,377.92x = 758,078.88 × 307,626.88
  4. Step 4: Simplify right side
    549,377.92x = 233,205,440,648.29
  5. Step 5: Solve for x
    x = 233,205,440,648.29/549,377.92
  6. Step 6: Final answer
    x = 424,490.01

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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.