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Finding the Fourth Proportional to 467,503.24, 645,154.68 and 252,643.24

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Solution

The fourth proportional to 467,503.24, 645,154.68 and 252,643.24 is: 348,647.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,503.24 : 645,154.68 = 252,643.24 : x
  2. Step 2: Convert to fraction form
    467,503.24/645,154.68 = 252,643.24/x
  3. Step 3: Cross multiply
    467,503.24x = 645,154.68 × 252,643.24
  4. Step 4: Simplify right side
    467,503.24x = 162,993,968,656.36
  5. Step 5: Solve for x
    x = 162,993,968,656.36/467,503.24
  6. Step 6: Final answer
    x = 348,647.78

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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.