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Finding the Fourth Proportional to 352,065.70, 528,098.55 and 293,745.70

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Solution

The fourth proportional to 352,065.70, 528,098.55 and 293,745.70 is: 440,618.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,065.70 : 528,098.55 = 293,745.70 : x
  2. Step 2: Convert to fraction form
    352,065.70/528,098.55 = 293,745.70/x
  3. Step 3: Cross multiply
    352,065.70x = 528,098.55 × 293,745.70
  4. Step 4: Simplify right side
    352,065.70x = 155,126,678,238.74
  5. Step 5: Solve for x
    x = 155,126,678,238.74/352,065.70
  6. Step 6: Final answer
    x = 440,618.55

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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.