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Finding the Fourth Proportional to 310,559.60, 428,562.24 and 174,599.25

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Solution

The fourth proportional to 310,559.60, 428,562.24 and 174,599.25 is: 240,941.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,559.60 : 428,562.24 = 174,599.25 : x
  2. Step 2: Convert to fraction form
    310,559.60/428,562.24 = 174,599.25/x
  3. Step 3: Cross multiply
    310,559.60x = 428,562.24 × 174,599.25
  4. Step 4: Simplify right side
    310,559.60x = 74,826,645,682.32
  5. Step 5: Solve for x
    x = 74,826,645,682.32/310,559.60
  6. Step 6: Final answer
    x = 240,941.34

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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.