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Finding the Fourth Proportional to 292,549.38, 403,746.78 and 177,817.98

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Solution

The fourth proportional to 292,549.38, 403,746.78 and 177,817.98 is: 245,406.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,549.38 : 403,746.78 = 177,817.98 : x
  2. Step 2: Convert to fraction form
    292,549.38/403,746.78 = 177,817.98/x
  3. Step 3: Cross multiply
    292,549.38x = 403,746.78 × 177,817.98
  4. Step 4: Simplify right side
    292,549.38x = 71,793,436,851.10
  5. Step 5: Solve for x
    x = 71,793,436,851.10/292,549.38
  6. Step 6: Final answer
    x = 245,406.22

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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.