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Finding the Fourth Proportional to 372,779.62, 559,352.59 and 148,133.71

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Solution

The fourth proportional to 372,779.62, 559,352.59 and 148,133.71 is: 222,273.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,779.62 : 559,352.59 = 148,133.71 : x
  2. Step 2: Convert to fraction form
    372,779.62/559,352.59 = 148,133.71/x
  3. Step 3: Cross multiply
    372,779.62x = 559,352.59 × 148,133.71
  4. Step 4: Simplify right side
    372,779.62x = 82,858,974,683.67
  5. Step 5: Solve for x
    x = 82,858,974,683.67/372,779.62
  6. Step 6: Final answer
    x = 222,273.35

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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.