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Finding the Fourth Proportional to 833,648.70, 1,150,420.17 and 471,064.77

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Solution

The fourth proportional to 833,648.70, 1,150,420.17 and 471,064.77 is: 650,060.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,648.70 : 1,150,420.17 = 471,064.77 : x
  2. Step 2: Convert to fraction form
    833,648.70/1,150,420.17 = 471,064.77/x
  3. Step 3: Cross multiply
    833,648.70x = 1,150,420.17 × 471,064.77
  4. Step 4: Simplify right side
    833,648.70x = 541,922,412,784.41
  5. Step 5: Solve for x
    x = 541,922,412,784.41/833,648.70
  6. Step 6: Final answer
    x = 650,060.89

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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.