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Finding the Fourth Proportional to 338,925.44, 507,768.51 and 158,680.19

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Solution

The fourth proportional to 338,925.44, 507,768.51 and 158,680.19 is: 237,730.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,925.44 : 507,768.51 = 158,680.19 : x
  2. Step 2: Convert to fraction form
    338,925.44/507,768.51 = 158,680.19/x
  3. Step 3: Cross multiply
    338,925.44x = 507,768.51 × 158,680.19
  4. Step 4: Simplify right side
    338,925.44x = 80,572,803,642.82
  5. Step 5: Solve for x
    x = 80,572,803,642.82/338,925.44
  6. Step 6: Final answer
    x = 237,730.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.