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Finding the Fourth Proportional to 292,368.96, 438,559.92 and 82,002.24

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Solution

The fourth proportional to 292,368.96, 438,559.92 and 82,002.24 is: 123,005.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,368.96 : 438,559.92 = 82,002.24 : x
  2. Step 2: Convert to fraction form
    292,368.96/438,559.92 = 82,002.24/x
  3. Step 3: Cross multiply
    292,368.96x = 438,559.92 × 82,002.24
  4. Step 4: Simplify right side
    292,368.96x = 35,962,895,814.22
  5. Step 5: Solve for x
    x = 35,962,895,814.22/292,368.96
  6. Step 6: Final answer
    x = 123,005.18

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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.