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Finding the Fourth Proportional to 833,235.70, 1,149,866.71 and 451,262.48

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Solution

The fourth proportional to 833,235.70, 1,149,866.71 and 451,262.48 is: 622,743.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,235.70 : 1,149,866.71 = 451,262.48 : x
  2. Step 2: Convert to fraction form
    833,235.70/1,149,866.71 = 451,262.48/x
  3. Step 3: Cross multiply
    833,235.70x = 1,149,866.71 × 451,262.48
  4. Step 4: Simplify right side
    833,235.70x = 518,891,701,463.96
  5. Step 5: Solve for x
    x = 518,891,701,463.96/833,235.70
  6. Step 6: Final answer
    x = 622,743.01

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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.