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Finding the Fourth Proportional to 616,165.92, 850,331.52 and 340,526.16

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Solution

The fourth proportional to 616,165.92, 850,331.52 and 340,526.16 is: 469,938.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,165.92 : 850,331.52 = 340,526.16 : x
  2. Step 2: Convert to fraction form
    616,165.92/850,331.52 = 340,526.16/x
  3. Step 3: Cross multiply
    616,165.92x = 850,331.52 × 340,526.16
  4. Step 4: Simplify right side
    616,165.92x = 289,560,127,232.56
  5. Step 5: Solve for x
    x = 289,560,127,232.56/616,165.92
  6. Step 6: Final answer
    x = 469,938.56

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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.