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Finding the Fourth Proportional to 282,590.56, 423,884.76 and 72,228.16

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Solution

The fourth proportional to 282,590.56, 423,884.76 and 72,228.16 is: 108,341.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,590.56 : 423,884.76 = 72,228.16 : x
  2. Step 2: Convert to fraction form
    282,590.56/423,884.76 = 72,228.16/x
  3. Step 3: Cross multiply
    282,590.56x = 423,884.76 × 72,228.16
  4. Step 4: Simplify right side
    282,590.56x = 30,616,416,266.84
  5. Step 5: Solve for x
    x = 30,616,416,266.84/282,590.56
  6. Step 6: Final answer
    x = 108,341.96

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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.