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Finding the Fourth Proportional to 349,571.16, 482,487.84 and 247,490.51

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Solution

The fourth proportional to 349,571.16, 482,487.84 and 247,490.51 is: 341,593.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,571.16 : 482,487.84 = 247,490.51 : x
  2. Step 2: Convert to fraction form
    349,571.16/482,487.84 = 247,490.51/x
  3. Step 3: Cross multiply
    349,571.16x = 482,487.84 × 247,490.51
  4. Step 4: Simplify right side
    349,571.16x = 119,411,159,177.96
  5. Step 5: Solve for x
    x = 119,411,159,177.96/349,571.16
  6. Step 6: Final answer
    x = 341,593.28

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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.