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Finding the Fourth Proportional to 350,667.72, 526,001.56 and 291,545.80

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Solution

The fourth proportional to 350,667.72, 526,001.56 and 291,545.80 is: 437,318.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,667.72 : 526,001.56 = 291,545.80 : x
  2. Step 2: Convert to fraction form
    350,667.72/526,001.56 = 291,545.80/x
  3. Step 3: Cross multiply
    350,667.72x = 526,001.56 × 291,545.80
  4. Step 4: Simplify right side
    350,667.72x = 153,353,545,611.45
  5. Step 5: Solve for x
    x = 153,353,545,611.45/350,667.72
  6. Step 6: Final answer
    x = 437,318.68

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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.