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Finding the Fourth Proportional to 522,324.16, 783,091.43 and 342,454.84

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Solution

The fourth proportional to 522,324.16, 783,091.43 and 342,454.84 is: 513,423.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,324.16 : 783,091.43 = 342,454.84 : x
  2. Step 2: Convert to fraction form
    522,324.16/783,091.43 = 342,454.84/x
  3. Step 3: Cross multiply
    522,324.16x = 783,091.43 × 342,454.84
  4. Step 4: Simplify right side
    522,324.16x = 268,173,452,385.11
  5. Step 5: Solve for x
    x = 268,173,452,385.11/522,324.16
  6. Step 6: Final answer
    x = 513,423.41

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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.