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Finding the Fourth Proportional to 707,227.18, 975,994.62 and 435,451.86

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Solution

The fourth proportional to 707,227.18, 975,994.62 and 435,451.86 is: 600,936.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,227.18 : 975,994.62 = 435,451.86 : x
  2. Step 2: Convert to fraction form
    707,227.18/975,994.62 = 435,451.86/x
  3. Step 3: Cross multiply
    707,227.18x = 975,994.62 × 435,451.86
  4. Step 4: Simplify right side
    707,227.18x = 424,998,672,628.99
  5. Step 5: Solve for x
    x = 424,998,672,628.99/707,227.18
  6. Step 6: Final answer
    x = 600,936.57

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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.