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Finding the Fourth Proportional to 662,494.60, 914,241.54 and 360,688.36

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Solution

The fourth proportional to 662,494.60, 914,241.54 and 360,688.36 is: 497,749.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,494.60 : 914,241.54 = 360,688.36 : x
  2. Step 2: Convert to fraction form
    662,494.60/914,241.54 = 360,688.36/x
  3. Step 3: Cross multiply
    662,494.60x = 914,241.54 × 360,688.36
  4. Step 4: Simplify right side
    662,494.60x = 329,756,281,706.47
  5. Step 5: Solve for x
    x = 329,756,281,706.47/662,494.60
  6. Step 6: Final answer
    x = 497,749.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.