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Finding the Fourth Proportional to 417,065.25, 575,569.26 and 235,784.82

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Solution

The fourth proportional to 417,065.25, 575,569.26 and 235,784.82 is: 325,393.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,065.25 : 575,569.26 = 235,784.82 : x
  2. Step 2: Convert to fraction form
    417,065.25/575,569.26 = 235,784.82/x
  3. Step 3: Cross multiply
    417,065.25x = 575,569.26 × 235,784.82
  4. Step 4: Simplify right side
    417,065.25x = 135,710,496,525.02
  5. Step 5: Solve for x
    x = 135,710,496,525.02/417,065.25
  6. Step 6: Final answer
    x = 325,393.92

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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.