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Finding the Fourth Proportional to 683,886.86, 943,767.01 and 373,795.83

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Solution

The fourth proportional to 683,886.86, 943,767.01 and 373,795.83 is: 515,839.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,886.86 : 943,767.01 = 373,795.83 : x
  2. Step 2: Convert to fraction form
    683,886.86/943,767.01 = 373,795.83/x
  3. Step 3: Cross multiply
    683,886.86x = 943,767.01 × 373,795.83
  4. Step 4: Simplify right side
    683,886.86x = 352,776,172,829.57
  5. Step 5: Solve for x
    x = 352,776,172,829.57/683,886.86
  6. Step 6: Final answer
    x = 515,839.96

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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.