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Finding the Fourth Proportional to 702,520.07, 969,501.17 and 430,535.42

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Solution

The fourth proportional to 702,520.07, 969,501.17 and 430,535.42 is: 594,153.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,520.07 : 969,501.17 = 430,535.42 : x
  2. Step 2: Convert to fraction form
    702,520.07/969,501.17 = 430,535.42/x
  3. Step 3: Cross multiply
    702,520.07x = 969,501.17 × 430,535.42
  4. Step 4: Simplify right side
    702,520.07x = 417,404,589,645.27
  5. Step 5: Solve for x
    x = 417,404,589,645.27/702,520.07
  6. Step 6: Final answer
    x = 594,153.26

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1.5x scale

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.