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Finding the Fourth Proportional to 253,468.12, 349,700.59 and 146,035.48

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Solution

The fourth proportional to 253,468.12, 349,700.59 and 146,035.48 is: 201,479.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,468.12 : 349,700.59 = 146,035.48 : x
  2. Step 2: Convert to fraction form
    253,468.12/349,700.59 = 146,035.48/x
  3. Step 3: Cross multiply
    253,468.12x = 349,700.59 × 146,035.48
  4. Step 4: Simplify right side
    253,468.12x = 51,068,691,038.25
  5. Step 5: Solve for x
    x = 51,068,691,038.25/253,468.12
  6. Step 6: Final answer
    x = 201,479.74

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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.