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Finding the Fourth Proportional to 524,082.80, 786,124.20 and 358,194.80

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Solution

The fourth proportional to 524,082.80, 786,124.20 and 358,194.80 is: 537,292.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,082.80 : 786,124.20 = 358,194.80 : x
  2. Step 2: Convert to fraction form
    524,082.80/786,124.20 = 358,194.80/x
  3. Step 3: Cross multiply
    524,082.80x = 786,124.20 × 358,194.80
  4. Step 4: Simplify right side
    524,082.80x = 281,585,600,594.16
  5. Step 5: Solve for x
    x = 281,585,600,594.16/524,082.80
  6. Step 6: Final answer
    x = 537,292.20

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Double scale
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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.