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Finding the Fourth Proportional to 439,666.26, 659,445.93 and 187,048.32

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Solution

The fourth proportional to 439,666.26, 659,445.93 and 187,048.32 is: 280,549.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,666.26 : 659,445.93 = 187,048.32 : x
  2. Step 2: Convert to fraction form
    439,666.26/659,445.93 = 187,048.32/x
  3. Step 3: Cross multiply
    439,666.26x = 659,445.93 × 187,048.32
  4. Step 4: Simplify right side
    439,666.26x = 123,348,253,337.34
  5. Step 5: Solve for x
    x = 123,348,253,337.34/439,666.26
  6. Step 6: Final answer
    x = 280,549.74

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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.