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Finding the Fourth Proportional to 652,190.80, 914,726 and 652,190.80

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Solution

The fourth proportional to 652,190.80, 914,726 and 652,190.80 is: 914,726

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,190.80 : 914,726 = 652,190.80 : x
  2. Step 2: Convert to fraction form
    652,190.80/914,726 = 652,190.80/x
  3. Step 3: Cross multiply
    652,190.80x = 914,726 × 652,190.80
  4. Step 4: Simplify right side
    652,190.80x = 596,575,881,720.80
  5. Step 5: Solve for x
    x = 596,575,881,720.80/652,190.80
  6. Step 6: Final answer
    x = 914,726

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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.