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Finding the Fourth Proportional to 632,347.35, 872,671.28 and 374,372.34

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Solution

The fourth proportional to 632,347.35, 872,671.28 and 374,372.34 is: 516,652.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,347.35 : 872,671.28 = 374,372.34 : x
  2. Step 2: Convert to fraction form
    632,347.35/872,671.28 = 374,372.34/x
  3. Step 3: Cross multiply
    632,347.35x = 872,671.28 × 374,372.34
  4. Step 4: Simplify right side
    632,347.35x = 326,703,989,144.40
  5. Step 5: Solve for x
    x = 326,703,989,144.40/632,347.35
  6. Step 6: Final answer
    x = 516,652.74

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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.