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Finding the Fourth Proportional to 256,374.36, 353,496.52 and 174,750.94

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Solution

The fourth proportional to 256,374.36, 353,496.52 and 174,750.94 is: 240,951.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,374.36 : 353,496.52 = 174,750.94 : x
  2. Step 2: Convert to fraction form
    256,374.36/353,496.52 = 174,750.94/x
  3. Step 3: Cross multiply
    256,374.36x = 353,496.52 × 174,750.94
  4. Step 4: Simplify right side
    256,374.36x = 61,773,849,156.73
  5. Step 5: Solve for x
    x = 61,773,849,156.73/256,374.36
  6. Step 6: Final answer
    x = 240,951.74

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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.