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Finding the Fourth Proportional to 404,441.60, 607,123.20 and 238,323.20

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Solution

The fourth proportional to 404,441.60, 607,123.20 and 238,323.20 is: 357,756.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,441.60 : 607,123.20 = 238,323.20 : x
  2. Step 2: Convert to fraction form
    404,441.60/607,123.20 = 238,323.20/x
  3. Step 3: Cross multiply
    404,441.60x = 607,123.20 × 238,323.20
  4. Step 4: Simplify right side
    404,441.60x = 144,691,543,818.24
  5. Step 5: Solve for x
    x = 144,691,543,818.24/404,441.60
  6. Step 6: Final answer
    x = 357,756.33

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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.