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Finding the Fourth Proportional to 620,874.36, 935,460.36 and 560,972.46

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Solution

The fourth proportional to 620,874.36, 935,460.36 and 560,972.46 is: 845,207.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,874.36 : 935,460.36 = 560,972.46 : x
  2. Step 2: Convert to fraction form
    620,874.36/935,460.36 = 560,972.46/x
  3. Step 3: Cross multiply
    620,874.36x = 935,460.36 × 560,972.46
  4. Step 4: Simplify right side
    620,874.36x = 524,767,499,381.69
  5. Step 5: Solve for x
    x = 524,767,499,381.69/620,874.36
  6. Step 6: Final answer
    x = 845,207.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.