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Finding the Fourth Proportional to 453,302.60, 679,953.90 and 157,814.60

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Solution

The fourth proportional to 453,302.60, 679,953.90 and 157,814.60 is: 236,721.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,302.60 : 679,953.90 = 157,814.60 : x
  2. Step 2: Convert to fraction form
    453,302.60/679,953.90 = 157,814.60/x
  3. Step 3: Cross multiply
    453,302.60x = 679,953.90 × 157,814.60
  4. Step 4: Simplify right side
    453,302.60x = 107,306,652,746.94
  5. Step 5: Solve for x
    x = 107,306,652,746.94/453,302.60
  6. Step 6: Final answer
    x = 236,721.90

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Similar ratio
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1.5x scale

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.