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Finding the Fourth Proportional to 292,364.28, 403,462.76 and 158,228.28

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Solution

The fourth proportional to 292,364.28, 403,462.76 and 158,228.28 is: 218,355.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,364.28 : 403,462.76 = 158,228.28 : x
  2. Step 2: Convert to fraction form
    292,364.28/403,462.76 = 158,228.28/x
  3. Step 3: Cross multiply
    292,364.28x = 403,462.76 × 158,228.28
  4. Step 4: Simplify right side
    292,364.28x = 63,839,217,767.71
  5. Step 5: Solve for x
    x = 63,839,217,767.71/292,364.28
  6. Step 6: Final answer
    x = 218,355.05

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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.