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Finding the Fourth Proportional to 417,134.49, 575,602.52 and 255,996.33

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Solution

The fourth proportional to 417,134.49, 575,602.52 and 255,996.33 is: 353,248.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,134.49 : 575,602.52 = 255,996.33 : x
  2. Step 2: Convert to fraction form
    417,134.49/575,602.52 = 255,996.33/x
  3. Step 3: Cross multiply
    417,134.49x = 575,602.52 × 255,996.33
  4. Step 4: Simplify right side
    417,134.49x = 147,352,131,378.77
  5. Step 5: Solve for x
    x = 147,352,131,378.77/417,134.49
  6. Step 6: Final answer
    x = 353,248.50

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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.