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Finding the Fourth Proportional to 404,562.90, 607,014.45 and 217,355.70

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Solution

The fourth proportional to 404,562.90, 607,014.45 and 217,355.70 is: 326,124.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,562.90 : 607,014.45 = 217,355.70 : x
  2. Step 2: Convert to fraction form
    404,562.90/607,014.45 = 217,355.70/x
  3. Step 3: Cross multiply
    404,562.90x = 607,014.45 × 217,355.70
  4. Step 4: Simplify right side
    404,562.90x = 131,938,050,689.87
  5. Step 5: Solve for x
    x = 131,938,050,689.87/404,562.90
  6. Step 6: Final answer
    x = 326,124.94

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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.