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Finding the Fourth Proportional to 253,468.02, 349,778.93 and 144,569.90

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Solution

The fourth proportional to 253,468.02, 349,778.93 and 144,569.90 is: 199,502.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,468.02 : 349,778.93 = 144,569.90 : x
  2. Step 2: Convert to fraction form
    253,468.02/349,778.93 = 144,569.90/x
  3. Step 3: Cross multiply
    253,468.02x = 349,778.93 × 144,569.90
  4. Step 4: Simplify right side
    253,468.02x = 50,567,502,460.46
  5. Step 5: Solve for x
    x = 50,567,502,460.46/253,468.02
  6. Step 6: Final answer
    x = 199,502.50

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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.