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Finding the Fourth Proportional to 609,734.90, 914,602.35 and 166,502.90

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Solution

The fourth proportional to 609,734.90, 914,602.35 and 166,502.90 is: 249,754.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,734.90 : 914,602.35 = 166,502.90 : x
  2. Step 2: Convert to fraction form
    609,734.90/914,602.35 = 166,502.90/x
  3. Step 3: Cross multiply
    609,734.90x = 914,602.35 × 166,502.90
  4. Step 4: Simplify right side
    609,734.90x = 152,283,943,621.82
  5. Step 5: Solve for x
    x = 152,283,943,621.82/609,734.90
  6. Step 6: Final answer
    x = 249,754.35

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Double scale
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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.