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Finding the Fourth Proportional to 703,733.16, 970,381.48 and 522,780.78

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Solution

The fourth proportional to 703,733.16, 970,381.48 and 522,780.78 is: 720,865.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,733.16 : 970,381.48 = 522,780.78 : x
  2. Step 2: Convert to fraction form
    703,733.16/970,381.48 = 522,780.78/x
  3. Step 3: Cross multiply
    703,733.16x = 970,381.48 × 522,780.78
  4. Step 4: Simplify right side
    703,733.16x = 507,296,787,011.95
  5. Step 5: Solve for x
    x = 507,296,787,011.95/703,733.16
  6. Step 6: Final answer
    x = 720,865.26

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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.