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Finding the Fourth Proportional to 1,177,298, 1,766,210.25 and 429,344

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Solution

The fourth proportional to 1,177,298, 1,766,210.25 and 429,344 is: 644,112.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,298 : 1,766,210.25 = 429,344 : x
  2. Step 2: Convert to fraction form
    1,177,298/1,766,210.25 = 429,344/x
  3. Step 3: Cross multiply
    1,177,298x = 1,766,210.25 × 429,344
  4. Step 4: Simplify right side
    1,177,298x = 758,311,773,576
  5. Step 5: Solve for x
    x = 758,311,773,576/1,177,298
  6. Step 6: Final answer
    x = 644,112.00

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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.