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Finding the Fourth Proportional to 416,245.46, 574,444.69 and 234,988.10

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Solution

The fourth proportional to 416,245.46, 574,444.69 and 234,988.10 is: 324,298.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,245.46 : 574,444.69 = 234,988.10 : x
  2. Step 2: Convert to fraction form
    416,245.46/574,444.69 = 234,988.10/x
  3. Step 3: Cross multiply
    416,245.46x = 574,444.69 × 234,988.10
  4. Step 4: Simplify right side
    416,245.46x = 134,987,666,258.19
  5. Step 5: Solve for x
    x = 134,987,666,258.19/416,245.46
  6. Step 6: Final answer
    x = 324,298.23

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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.