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Finding the Fourth Proportional to 374,995.17, 517,480.65 and 205,225.65

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Solution

The fourth proportional to 374,995.17, 517,480.65 and 205,225.65 is: 283,204.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,995.17 : 517,480.65 = 205,225.65 : x
  2. Step 2: Convert to fraction form
    374,995.17/517,480.65 = 205,225.65/x
  3. Step 3: Cross multiply
    374,995.17x = 517,480.65 × 205,225.65
  4. Step 4: Simplify right side
    374,995.17x = 106,200,302,758.67
  5. Step 5: Solve for x
    x = 106,200,302,758.67/374,995.17
  6. Step 6: Final answer
    x = 283,204.46

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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.