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Finding the Fourth Proportional to 523,559.49, 785,339.15 and 149,582.49

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Solution

The fourth proportional to 523,559.49, 785,339.15 and 149,582.49 is: 224,373.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,559.49 : 785,339.15 = 149,582.49 : x
  2. Step 2: Convert to fraction form
    523,559.49/785,339.15 = 149,582.49/x
  3. Step 3: Cross multiply
    523,559.49x = 785,339.15 × 149,582.49
  4. Step 4: Simplify right side
    523,559.49x = 117,472,984,803.57
  5. Step 5: Solve for x
    x = 117,472,984,803.57/523,559.49
  6. Step 6: Final answer
    x = 224,373.71

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.