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Finding the Fourth Proportional to 616,372.32, 850,340.52 and 374,615.94

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Solution

The fourth proportional to 616,372.32, 850,340.52 and 374,615.94 is: 516,816.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,372.32 : 850,340.52 = 374,615.94 : x
  2. Step 2: Convert to fraction form
    616,372.32/850,340.52 = 374,615.94/x
  3. Step 3: Cross multiply
    616,372.32x = 850,340.52 × 374,615.94
  4. Step 4: Simplify right side
    616,372.32x = 318,551,113,219.89
  5. Step 5: Solve for x
    x = 318,551,113,219.89/616,372.32
  6. Step 6: Final answer
    x = 516,816.06

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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.