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Finding the Fourth Proportional to 476,479.92, 714,719.34 and 371,377.56

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Solution

The fourth proportional to 476,479.92, 714,719.34 and 371,377.56 is: 557,065.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,479.92 : 714,719.34 = 371,377.56 : x
  2. Step 2: Convert to fraction form
    476,479.92/714,719.34 = 371,377.56/x
  3. Step 3: Cross multiply
    476,479.92x = 714,719.34 × 371,377.56
  4. Step 4: Simplify right side
    476,479.92x = 265,430,724,574.01
  5. Step 5: Solve for x
    x = 265,430,724,574.01/476,479.92
  6. Step 6: Final answer
    x = 557,065.92

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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.