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Finding the Fourth Proportional to 426,364.16, 588,378.74 and 235,373.45

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Solution

The fourth proportional to 426,364.16, 588,378.74 and 235,373.45 is: 324,813.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,364.16 : 588,378.74 = 235,373.45 : x
  2. Step 2: Convert to fraction form
    426,364.16/588,378.74 = 235,373.45/x
  3. Step 3: Cross multiply
    426,364.16x = 588,378.74 × 235,373.45
  4. Step 4: Simplify right side
    426,364.16x = 138,488,729,821.69
  5. Step 5: Solve for x
    x = 138,488,729,821.69/426,364.16
  6. Step 6: Final answer
    x = 324,813.26

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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.