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Finding the Fourth Proportional to 697,948.86, 962,924.12 and 456,372.84

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Solution

The fourth proportional to 697,948.86, 962,924.12 and 456,372.84 is: 629,634.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,948.86 : 962,924.12 = 456,372.84 : x
  2. Step 2: Convert to fraction form
    697,948.86/962,924.12 = 456,372.84/x
  3. Step 3: Cross multiply
    697,948.86x = 962,924.12 × 456,372.84
  4. Step 4: Simplify right side
    697,948.86x = 439,452,415,348.90
  5. Step 5: Solve for x
    x = 439,452,415,348.90/697,948.86
  6. Step 6: Final answer
    x = 629,634.12

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Double scale
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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.