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Finding the Fourth Proportional to 536,502.48, 804,878.28 and 157,407.90

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Solution

The fourth proportional to 536,502.48, 804,878.28 and 157,407.90 is: 236,148.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,502.48 : 804,878.28 = 157,407.90 : x
  2. Step 2: Convert to fraction form
    536,502.48/804,878.28 = 157,407.90/x
  3. Step 3: Cross multiply
    536,502.48x = 804,878.28 × 157,407.90
  4. Step 4: Simplify right side
    536,502.48x = 126,694,199,810.41
  5. Step 5: Solve for x
    x = 126,694,199,810.41/536,502.48
  6. Step 6: Final answer
    x = 236,148.40

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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.