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Finding the Fourth Proportional to 437,412.22, 656,118.33 and 104,988.22

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Solution

The fourth proportional to 437,412.22, 656,118.33 and 104,988.22 is: 157,482.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,412.22 : 656,118.33 = 104,988.22 : x
  2. Step 2: Convert to fraction form
    437,412.22/656,118.33 = 104,988.22/x
  3. Step 3: Cross multiply
    437,412.22x = 656,118.33 × 104,988.22
  4. Step 4: Simplify right side
    437,412.22x = 68,884,695,576.07
  5. Step 5: Solve for x
    x = 68,884,695,576.07/437,412.22
  6. Step 6: Final answer
    x = 157,482.33

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Similar ratio
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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.