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Finding the Fourth Proportional to 531,526.25, 797,292.26 and 137,542.25

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Solution

The fourth proportional to 531,526.25, 797,292.26 and 137,542.25 is: 206,314.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,526.25 : 797,292.26 = 137,542.25 : x
  2. Step 2: Convert to fraction form
    531,526.25/797,292.26 = 137,542.25/x
  3. Step 3: Cross multiply
    531,526.25x = 797,292.26 × 137,542.25
  4. Step 4: Simplify right side
    531,526.25x = 109,661,371,347.99
  5. Step 5: Solve for x
    x = 109,661,371,347.99/531,526.25
  6. Step 6: Final answer
    x = 206,314.12

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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.