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Finding the Fourth Proportional to 256,374.61, 353,496.87 and 174,751.19

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Solution

The fourth proportional to 256,374.61, 353,496.87 and 174,751.19 is: 240,952.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,374.61 : 353,496.87 = 174,751.19 : x
  2. Step 2: Convert to fraction form
    256,374.61/353,496.87 = 174,751.19/x
  3. Step 3: Cross multiply
    256,374.61x = 353,496.87 × 174,751.19
  4. Step 4: Simplify right side
    256,374.61x = 61,773,997,820.02
  5. Step 5: Solve for x
    x = 61,773,997,820.02/256,374.61
  6. Step 6: Final answer
    x = 240,952.09

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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.