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Finding the Fourth Proportional to 292,436.42, 403,562.34 and 158,300.42

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Solution

The fourth proportional to 292,436.42, 403,562.34 and 158,300.42 is: 218,454.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,436.42 : 403,562.34 = 158,300.42 : x
  2. Step 2: Convert to fraction form
    292,436.42/403,562.34 = 158,300.42/x
  3. Step 3: Cross multiply
    292,436.42x = 403,562.34 × 158,300.42
  4. Step 4: Simplify right side
    292,436.42x = 63,884,087,126.68
  5. Step 5: Solve for x
    x = 63,884,087,126.68/292,436.42
  6. Step 6: Final answer
    x = 218,454.62

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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.