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Finding the Fourth Proportional to 282,045.60, 423,505.80 and 163,947.60

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Solution

The fourth proportional to 282,045.60, 423,505.80 and 163,947.60 is: 246,175.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,045.60 : 423,505.80 = 163,947.60 : x
  2. Step 2: Convert to fraction form
    282,045.60/423,505.80 = 163,947.60/x
  3. Step 3: Cross multiply
    282,045.60x = 423,505.80 × 163,947.60
  4. Step 4: Simplify right side
    282,045.60x = 69,432,759,496.08
  5. Step 5: Solve for x
    x = 69,432,759,496.08/282,045.60
  6. Step 6: Final answer
    x = 246,175.65

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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.