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Finding the Fourth Proportional to 338,275.08, 507,442.60 and 88,957.08

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Solution

The fourth proportional to 338,275.08, 507,442.60 and 88,957.08 is: 133,443.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,275.08 : 507,442.60 = 88,957.08 : x
  2. Step 2: Convert to fraction form
    338,275.08/507,442.60 = 88,957.08/x
  3. Step 3: Cross multiply
    338,275.08x = 507,442.60 × 88,957.08
  4. Step 4: Simplify right side
    338,275.08x = 45,140,611,963.61
  5. Step 5: Solve for x
    x = 45,140,611,963.61/338,275.08
  6. Step 6: Final answer
    x = 133,443.50

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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.