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Finding the Fourth Proportional to 292,355.66, 403,450.81 and 158,219.66

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Solution

The fourth proportional to 292,355.66, 403,450.81 and 158,219.66 is: 218,343.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,355.66 : 403,450.81 = 158,219.66 : x
  2. Step 2: Convert to fraction form
    292,355.66/403,450.81 = 158,219.66/x
  3. Step 3: Cross multiply
    292,355.66x = 403,450.81 × 158,219.66
  4. Step 4: Simplify right side
    292,355.66x = 63,833,847,176.57
  5. Step 5: Solve for x
    x = 63,833,847,176.57/292,355.66
  6. Step 6: Final answer
    x = 218,343.12

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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.