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Finding the Fourth Proportional to 310,560.08, 428,588.10 and 174,636.82

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Solution

The fourth proportional to 310,560.08, 428,588.10 and 174,636.82 is: 241,007.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,560.08 : 428,588.10 = 174,636.82 : x
  2. Step 2: Convert to fraction form
    310,560.08/428,588.10 = 174,636.82/x
  3. Step 3: Cross multiply
    310,560.08x = 428,588.10 × 174,636.82
  4. Step 4: Simplify right side
    310,560.08x = 74,847,262,873.84
  5. Step 5: Solve for x
    x = 74,847,262,873.84/310,560.08
  6. Step 6: Final answer
    x = 241,007.35

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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.