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Finding the Fourth Proportional to 292,347.98, 403,440.22 and 158,211.98

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Solution

The fourth proportional to 292,347.98, 403,440.22 and 158,211.98 is: 218,332.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,347.98 : 403,440.22 = 158,211.98 : x
  2. Step 2: Convert to fraction form
    292,347.98/403,440.22 = 158,211.98/x
  3. Step 3: Cross multiply
    292,347.98x = 403,440.22 × 158,211.98
  4. Step 4: Simplify right side
    292,347.98x = 63,829,077,535.68
  5. Step 5: Solve for x
    x = 63,829,077,535.68/292,347.98
  6. Step 6: Final answer
    x = 218,332.54

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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.