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Finding the Fourth Proportional to 652,862.10, 979,293.15 and 605,622.90

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Solution

The fourth proportional to 652,862.10, 979,293.15 and 605,622.90 is: 908,434.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,862.10 : 979,293.15 = 605,622.90 : x
  2. Step 2: Convert to fraction form
    652,862.10/979,293.15 = 605,622.90/x
  3. Step 3: Cross multiply
    652,862.10x = 979,293.15 × 605,622.90
  4. Step 4: Simplify right side
    652,862.10x = 593,082,357,453.14
  5. Step 5: Solve for x
    x = 593,082,357,453.14/652,862.10
  6. Step 6: Final answer
    x = 908,434.35

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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.