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Finding the Fourth Proportional to 292,434.39, 403,560.72 and 158,298.39

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Solution

The fourth proportional to 292,434.39, 403,560.72 and 158,298.39 is: 218,452.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,434.39 : 403,560.72 = 158,298.39 : x
  2. Step 2: Convert to fraction form
    292,434.39/403,560.72 = 158,298.39/x
  3. Step 3: Cross multiply
    292,434.39x = 403,560.72 × 158,298.39
  4. Step 4: Simplify right side
    292,434.39x = 63,883,012,243.24
  5. Step 5: Solve for x
    x = 63,883,012,243.24/292,434.39
  6. Step 6: Final answer
    x = 218,452.46

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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.