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Finding the Fourth Proportional to 550,981.20, 824,916.60 and 550,981.20

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Solution

The fourth proportional to 550,981.20, 824,916.60 and 550,981.20 is: 824,916.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,981.20 : 824,916.60 = 550,981.20 : x
  2. Step 2: Convert to fraction form
    550,981.20/824,916.60 = 550,981.20/x
  3. Step 3: Cross multiply
    550,981.20x = 824,916.60 × 550,981.20
  4. Step 4: Simplify right side
    550,981.20x = 454,513,538,167.92
  5. Step 5: Solve for x
    x = 454,513,538,167.92/550,981.20
  6. Step 6: Final answer
    x = 824,916.60

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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.