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Finding the Fourth Proportional to 341,317.55, 512,290.78 and 172,957.15

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Solution

The fourth proportional to 341,317.55, 512,290.78 and 172,957.15 is: 259,595.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,317.55 : 512,290.78 = 172,957.15 : x
  2. Step 2: Convert to fraction form
    341,317.55/512,290.78 = 172,957.15/x
  3. Step 3: Cross multiply
    341,317.55x = 512,290.78 × 172,957.15
  4. Step 4: Simplify right side
    341,317.55x = 88,604,352,047.23
  5. Step 5: Solve for x
    x = 88,604,352,047.23/341,317.55
  6. Step 6: Final answer
    x = 259,595.07

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1.5x scale

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.