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Finding the Fourth Proportional to 613,159.30, 846,176.25 and 371,390.50

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Solution

The fourth proportional to 613,159.30, 846,176.25 and 371,390.50 is: 512,528.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,159.30 : 846,176.25 = 371,390.50 : x
  2. Step 2: Convert to fraction form
    613,159.30/846,176.25 = 371,390.50/x
  3. Step 3: Cross multiply
    613,159.30x = 846,176.25 × 371,390.50
  4. Step 4: Simplify right side
    613,159.30x = 314,261,820,575.63
  5. Step 5: Solve for x
    x = 314,261,820,575.63/613,159.30
  6. Step 6: Final answer
    x = 512,528.83

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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.