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Finding the Fourth Proportional to 384,067.60, 575,928.60 and 147,331.60

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Solution

The fourth proportional to 384,067.60, 575,928.60 and 147,331.60 is: 220,931.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,067.60 : 575,928.60 = 147,331.60 : x
  2. Step 2: Convert to fraction form
    384,067.60/575,928.60 = 147,331.60/x
  3. Step 3: Cross multiply
    384,067.60x = 575,928.60 × 147,331.60
  4. Step 4: Simplify right side
    384,067.60x = 84,852,482,123.76
  5. Step 5: Solve for x
    x = 84,852,482,123.76/384,067.60
  6. Step 6: Final answer
    x = 220,931.11

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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.