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Finding the Fourth Proportional to 846,756.68, 1,169,494 and 557,660.54

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Solution

The fourth proportional to 846,756.68, 1,169,494 and 557,660.54 is: 770,210.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,756.68 : 1,169,494 = 557,660.54 : x
  2. Step 2: Convert to fraction form
    846,756.68/1,169,494 = 557,660.54/x
  3. Step 3: Cross multiply
    846,756.68x = 1,169,494 × 557,660.54
  4. Step 4: Simplify right side
    846,756.68x = 652,180,649,719.29
  5. Step 5: Solve for x
    x = 652,180,649,719.29/846,756.68
  6. Step 6: Final answer
    x = 770,210.23

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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.