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Finding the Fourth Proportional to 761,441.86, 1,050,791 and 417,223.09

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Solution

The fourth proportional to 761,441.86, 1,050,791 and 417,223.09 is: 575,768.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,441.86 : 1,050,791 = 417,223.09 : x
  2. Step 2: Convert to fraction form
    761,441.86/1,050,791 = 417,223.09/x
  3. Step 3: Cross multiply
    761,441.86x = 1,050,791 × 417,223.09
  4. Step 4: Simplify right side
    761,441.86x = 438,414,267,964.19
  5. Step 5: Solve for x
    x = 438,414,267,964.19/761,441.86
  6. Step 6: Final answer
    x = 575,768.54

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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.