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Finding the Fourth Proportional to 532,123.28, 798,317.40 and 158,136.08

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Solution

The fourth proportional to 532,123.28, 798,317.40 and 158,136.08 is: 237,243.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,123.28 : 798,317.40 = 158,136.08 : x
  2. Step 2: Convert to fraction form
    532,123.28/798,317.40 = 158,136.08/x
  3. Step 3: Cross multiply
    532,123.28x = 798,317.40 × 158,136.08
  4. Step 4: Simplify right side
    532,123.28x = 126,242,784,231.79
  5. Step 5: Solve for x
    x = 126,242,784,231.79/532,123.28
  6. Step 6: Final answer
    x = 237,243.49

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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.