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Finding the Fourth Proportional to 702,526.90, 969,510.62 and 430,542.25

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Solution

The fourth proportional to 702,526.90, 969,510.62 and 430,542.25 is: 594,162.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,526.90 : 969,510.62 = 430,542.25 : x
  2. Step 2: Convert to fraction form
    702,526.90/969,510.62 = 430,542.25/x
  3. Step 3: Cross multiply
    702,526.90x = 969,510.62 × 430,542.25
  4. Step 4: Simplify right side
    702,526.90x = 417,415,283,733.70
  5. Step 5: Solve for x
    x = 417,415,283,733.70/702,526.90
  6. Step 6: Final answer
    x = 594,162.71

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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.