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Finding the Fourth Proportional to 316,807.50, 437,613.59 and 236,094.90

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Solution

The fourth proportional to 316,807.50, 437,613.59 and 236,094.90 is: 326,123.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,807.50 : 437,613.59 = 236,094.90 : x
  2. Step 2: Convert to fraction form
    316,807.50/437,613.59 = 236,094.90/x
  3. Step 3: Cross multiply
    316,807.50x = 437,613.59 × 236,094.90
  4. Step 4: Simplify right side
    316,807.50x = 103,318,336,769.69
  5. Step 5: Solve for x
    x = 103,318,336,769.69/316,807.50
  6. Step 6: Final answer
    x = 326,123.39

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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.