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Finding the Fourth Proportional to 416,853.54, 575,250.26 and 235,561.57

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Solution

The fourth proportional to 416,853.54, 575,250.26 and 235,561.57 is: 325,070.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,853.54 : 575,250.26 = 235,561.57 : x
  2. Step 2: Convert to fraction form
    416,853.54/575,250.26 = 235,561.57/x
  3. Step 3: Cross multiply
    416,853.54x = 575,250.26 × 235,561.57
  4. Step 4: Simplify right side
    416,853.54x = 135,506,851,772.58
  5. Step 5: Solve for x
    x = 135,506,851,772.58/416,853.54
  6. Step 6: Final answer
    x = 325,070.65

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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.