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Finding the Fourth Proportional to 620,876.36, 935,463.38 and 560,974.46

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Solution

The fourth proportional to 620,876.36, 935,463.38 and 560,974.46 is: 845,210.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,876.36 : 935,463.38 = 560,974.46 : x
  2. Step 2: Convert to fraction form
    620,876.36/935,463.38 = 560,974.46/x
  3. Step 3: Cross multiply
    620,876.36x = 935,463.38 × 560,974.46
  4. Step 4: Simplify right side
    620,876.36x = 524,771,064,445.28
  5. Step 5: Solve for x
    x = 524,771,064,445.28/620,876.36
  6. Step 6: Final answer
    x = 845,210.25

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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.