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Finding the Fourth Proportional to 435,466.90, 653,200.40 and 135,973.14

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Solution

The fourth proportional to 435,466.90, 653,200.40 and 135,973.14 is: 203,959.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,466.90 : 653,200.40 = 135,973.14 : x
  2. Step 2: Convert to fraction form
    435,466.90/653,200.40 = 135,973.14/x
  3. Step 3: Cross multiply
    435,466.90x = 653,200.40 × 135,973.14
  4. Step 4: Simplify right side
    435,466.90x = 88,817,709,437.26
  5. Step 5: Solve for x
    x = 88,817,709,437.26/435,466.90
  6. Step 6: Final answer
    x = 203,959.73

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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.