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Finding the Fourth Proportional to 671,992.74, 927,350.10 and 370,186.74

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Solution

The fourth proportional to 671,992.74, 927,350.10 and 370,186.74 is: 510,857.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,992.74 : 927,350.10 = 370,186.74 : x
  2. Step 2: Convert to fraction form
    671,992.74/927,350.10 = 370,186.74/x
  3. Step 3: Cross multiply
    671,992.74x = 927,350.10 × 370,186.74
  4. Step 4: Simplify right side
    671,992.74x = 343,292,710,357.67
  5. Step 5: Solve for x
    x = 343,292,710,357.67/671,992.74
  6. Step 6: Final answer
    x = 510,857.77

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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.