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Finding the Fourth Proportional to 650,586.25, 897,903.32 and 374,890.47

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Solution

The fourth proportional to 650,586.25, 897,903.32 and 374,890.47 is: 517,403.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,586.25 : 897,903.32 = 374,890.47 : x
  2. Step 2: Convert to fraction form
    650,586.25/897,903.32 = 374,890.47/x
  3. Step 3: Cross multiply
    650,586.25x = 897,903.32 × 374,890.47
  4. Step 4: Simplify right side
    650,586.25x = 336,615,397,649.36
  5. Step 5: Solve for x
    x = 336,615,397,649.36/650,586.25
  6. Step 6: Final answer
    x = 517,403.18

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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.