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Finding the Fourth Proportional to 610,014.20, 852,361 and 610,014.20

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Solution

The fourth proportional to 610,014.20, 852,361 and 610,014.20 is: 852,361

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,014.20 : 852,361 = 610,014.20 : x
  2. Step 2: Convert to fraction form
    610,014.20/852,361 = 610,014.20/x
  3. Step 3: Cross multiply
    610,014.20x = 852,361 × 610,014.20
  4. Step 4: Simplify right side
    610,014.20x = 519,952,313,526.20
  5. Step 5: Solve for x
    x = 519,952,313,526.20/610,014.20
  6. Step 6: Final answer
    x = 852,361

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.