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Finding the Fourth Proportional to 671,929.63, 927,262.89 and 370,123.63

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Solution

The fourth proportional to 671,929.63, 927,262.89 and 370,123.63 is: 510,770.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,929.63 : 927,262.89 = 370,123.63 : x
  2. Step 2: Convert to fraction form
    671,929.63/927,262.89 = 370,123.63/x
  3. Step 3: Cross multiply
    671,929.63x = 927,262.89 × 370,123.63
  4. Step 4: Simplify right side
    671,929.63x = 343,201,904,492.93
  5. Step 5: Solve for x
    x = 343,201,904,492.93/671,929.63
  6. Step 6: Final answer
    x = 510,770.61

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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.