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Finding the Fourth Proportional to 788,606.70, 1,182,910.05 and 697,368.30

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Solution

The fourth proportional to 788,606.70, 1,182,910.05 and 697,368.30 is: 1,046,052.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,606.70 : 1,182,910.05 = 697,368.30 : x
  2. Step 2: Convert to fraction form
    788,606.70/1,182,910.05 = 697,368.30/x
  3. Step 3: Cross multiply
    788,606.70x = 1,182,910.05 × 697,368.30
  4. Step 4: Simplify right side
    788,606.70x = 824,923,970,621.42
  5. Step 5: Solve for x
    x = 824,923,970,621.42/788,606.70
  6. Step 6: Final answer
    x = 1,046,052.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.