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Finding the Fourth Proportional to 869,730.56, 1,199,117 and 563,265.44

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Solution

The fourth proportional to 869,730.56, 1,199,117 and 563,265.44 is: 776,586.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,730.56 : 1,199,117 = 563,265.44 : x
  2. Step 2: Convert to fraction form
    869,730.56/1,199,117 = 563,265.44/x
  3. Step 3: Cross multiply
    869,730.56x = 1,199,117 × 563,265.44
  4. Step 4: Simplify right side
    869,730.56x = 675,421,164,616.48
  5. Step 5: Solve for x
    x = 675,421,164,616.48/869,730.56
  6. Step 6: Final answer
    x = 776,586.68

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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.