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Finding the Fourth Proportional to 292,671.72, 403,805.04 and 183,787.80

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Solution

The fourth proportional to 292,671.72, 403,805.04 and 183,787.80 is: 253,575.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,671.72 : 403,805.04 = 183,787.80 : x
  2. Step 2: Convert to fraction form
    292,671.72/403,805.04 = 183,787.80/x
  3. Step 3: Cross multiply
    292,671.72x = 403,805.04 × 183,787.80
  4. Step 4: Simplify right side
    292,671.72x = 74,214,439,930.51
  5. Step 5: Solve for x
    x = 74,214,439,930.51/292,671.72
  6. Step 6: Final answer
    x = 253,575.71

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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.