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Finding the Fourth Proportional to 702,595.71, 969,600.93 and 426,859.71

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Solution

The fourth proportional to 702,595.71, 969,600.93 and 426,859.71 is: 589,077.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,595.71 : 969,600.93 = 426,859.71 : x
  2. Step 2: Convert to fraction form
    702,595.71/969,600.93 = 426,859.71/x
  3. Step 3: Cross multiply
    702,595.71x = 969,600.93 × 426,859.71
  4. Step 4: Simplify right side
    702,595.71x = 413,883,571,795.53
  5. Step 5: Solve for x
    x = 413,883,571,795.53/702,595.71
  6. Step 6: Final answer
    x = 589,077.85

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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.