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Finding the Fourth Proportional to 702,598.74, 969,605.07 and 426,862.74

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Solution

The fourth proportional to 702,598.74, 969,605.07 and 426,862.74 is: 589,082.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,598.74 : 969,605.07 = 426,862.74 : x
  2. Step 2: Convert to fraction form
    702,598.74/969,605.07 = 426,862.74/x
  3. Step 3: Cross multiply
    702,598.74x = 969,605.07 × 426,862.74
  4. Step 4: Simplify right side
    702,598.74x = 413,888,276,898.09
  5. Step 5: Solve for x
    x = 413,888,276,898.09/702,598.74
  6. Step 6: Final answer
    x = 589,082.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.