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Finding the Fourth Proportional to 417,024.36, 575,479.62 and 247,157.64

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Solution

The fourth proportional to 417,024.36, 575,479.62 and 247,157.64 is: 341,069.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,024.36 : 575,479.62 = 247,157.64 : x
  2. Step 2: Convert to fraction form
    417,024.36/575,479.62 = 247,157.64/x
  3. Step 3: Cross multiply
    417,024.36x = 575,479.62 × 247,157.64
  4. Step 4: Simplify right side
    417,024.36x = 142,234,184,747.30
  5. Step 5: Solve for x
    x = 142,234,184,747.30/417,024.36
  6. Step 6: Final answer
    x = 341,069.25

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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.