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Finding the Fourth Proportional to 552,269.80, 828,404.70 and 286,549.30

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Solution

The fourth proportional to 552,269.80, 828,404.70 and 286,549.30 is: 429,823.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,269.80 : 828,404.70 = 286,549.30 : x
  2. Step 2: Convert to fraction form
    552,269.80/828,404.70 = 286,549.30/x
  3. Step 3: Cross multiply
    552,269.80x = 828,404.70 × 286,549.30
  4. Step 4: Simplify right side
    552,269.80x = 237,378,786,901.71
  5. Step 5: Solve for x
    x = 237,378,786,901.71/552,269.80
  6. Step 6: Final answer
    x = 429,823.95

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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.