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Finding the Fourth Proportional to 347,750.09, 521,660.53 and 120,016.07

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Solution

The fourth proportional to 347,750.09, 521,660.53 and 120,016.07 is: 180,036.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,750.09 : 521,660.53 = 120,016.07 : x
  2. Step 2: Convert to fraction form
    347,750.09/521,660.53 = 120,016.07/x
  3. Step 3: Cross multiply
    347,750.09x = 521,660.53 × 120,016.07
  4. Step 4: Simplify right side
    347,750.09x = 62,607,646,182.66
  5. Step 5: Solve for x
    x = 62,607,646,182.66/347,750.09
  6. Step 6: Final answer
    x = 180,036.32

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1.5x scale

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.