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Finding the Fourth Proportional to 370,853.64, 511,507.71 and 234,909.72

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Solution

The fourth proportional to 370,853.64, 511,507.71 and 234,909.72 is: 324,004.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,853.64 : 511,507.71 = 234,909.72 : x
  2. Step 2: Convert to fraction form
    370,853.64/511,507.71 = 234,909.72/x
  3. Step 3: Cross multiply
    370,853.64x = 511,507.71 × 234,909.72
  4. Step 4: Simplify right side
    370,853.64x = 120,158,132,933.94
  5. Step 5: Solve for x
    x = 120,158,132,933.94/370,853.64
  6. Step 6: Final answer
    x = 324,004.19

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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.