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Finding the Fourth Proportional to 768,166.86, 1,059,912.01 and 441,416.76

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Solution

The fourth proportional to 768,166.86, 1,059,912.01 and 441,416.76 is: 609,064.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,166.86 : 1,059,912.01 = 441,416.76 : x
  2. Step 2: Convert to fraction form
    768,166.86/1,059,912.01 = 441,416.76/x
  3. Step 3: Cross multiply
    768,166.86x = 1,059,912.01 × 441,416.76
  4. Step 4: Simplify right side
    768,166.86x = 467,862,925,339.29
  5. Step 5: Solve for x
    x = 467,862,925,339.29/768,166.86
  6. Step 6: Final answer
    x = 609,064.19

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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.