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Finding the Fourth Proportional to 581,617.50, 872,426.57 and 265,852.97

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Solution

The fourth proportional to 581,617.50, 872,426.57 and 265,852.97 is: 398,779.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,617.50 : 872,426.57 = 265,852.97 : x
  2. Step 2: Convert to fraction form
    581,617.50/872,426.57 = 265,852.97/x
  3. Step 3: Cross multiply
    581,617.50x = 872,426.57 × 265,852.97
  4. Step 4: Simplify right side
    581,617.50x = 231,937,192,321.62
  5. Step 5: Solve for x
    x = 231,937,192,321.62/581,617.50
  6. Step 6: Final answer
    x = 398,779.60

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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.