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Finding the Fourth Proportional to 417,019.36, 575,472.72 and 247,152.64

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Solution

The fourth proportional to 417,019.36, 575,472.72 and 247,152.64 is: 341,062.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,019.36 : 575,472.72 = 247,152.64 : x
  2. Step 2: Convert to fraction form
    417,019.36/575,472.72 = 247,152.64/x
  3. Step 3: Cross multiply
    417,019.36x = 575,472.72 × 247,152.64
  4. Step 4: Simplify right side
    417,019.36x = 142,229,601,995.98
  5. Step 5: Solve for x
    x = 142,229,601,995.98/417,019.36
  6. Step 6: Final answer
    x = 341,062.35

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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.