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Finding the Fourth Proportional to 342,534.24, 513,805.20 and 153,004.32

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Solution

The fourth proportional to 342,534.24, 513,805.20 and 153,004.32 is: 229,508.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,534.24 : 513,805.20 = 153,004.32 : x
  2. Step 2: Convert to fraction form
    342,534.24/513,805.20 = 153,004.32/x
  3. Step 3: Cross multiply
    342,534.24x = 513,805.20 × 153,004.32
  4. Step 4: Simplify right side
    342,534.24x = 78,614,415,238.46
  5. Step 5: Solve for x
    x = 78,614,415,238.46/342,534.24
  6. Step 6: Final answer
    x = 229,508.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.