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Finding the Fourth Proportional to 697,913.01, 963,095.67 and 426,435.30

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Solution

The fourth proportional to 697,913.01, 963,095.67 and 426,435.30 is: 588,465.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,913.01 : 963,095.67 = 426,435.30 : x
  2. Step 2: Convert to fraction form
    697,913.01/963,095.67 = 426,435.30/x
  3. Step 3: Cross multiply
    697,913.01x = 963,095.67 × 426,435.30
  4. Step 4: Simplify right side
    697,913.01x = 410,697,990,965.15
  5. Step 5: Solve for x
    x = 410,697,990,965.15/697,913.01
  6. Step 6: Final answer
    x = 588,465.88

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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.