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Finding the Fourth Proportional to 416,809.54, 575,219.55 and 235,529.11

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Solution

The fourth proportional to 416,809.54, 575,219.55 and 235,529.11 is: 325,042.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,809.54 : 575,219.55 = 235,529.11 : x
  2. Step 2: Convert to fraction form
    416,809.54/575,219.55 = 235,529.11/x
  3. Step 3: Cross multiply
    416,809.54x = 575,219.55 × 235,529.11
  4. Step 4: Simplify right side
    416,809.54x = 135,480,948,666.10
  5. Step 5: Solve for x
    x = 135,480,948,666.10/416,809.54
  6. Step 6: Final answer
    x = 325,042.82

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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.