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Finding the Fourth Proportional to 612,700.20, 844,589.16 and 430,916.76

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Solution

The fourth proportional to 612,700.20, 844,589.16 and 430,916.76 is: 594,006.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,700.20 : 844,589.16 = 430,916.76 : x
  2. Step 2: Convert to fraction form
    612,700.20/844,589.16 = 430,916.76/x
  3. Step 3: Cross multiply
    612,700.20x = 844,589.16 × 430,916.76
  4. Step 4: Simplify right side
    612,700.20x = 363,947,624,358.32
  5. Step 5: Solve for x
    x = 363,947,624,358.32/612,700.20
  6. Step 6: Final answer
    x = 594,006.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.