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Finding the Fourth Proportional to 849,606.47, 1,171,860 and 559,125.48

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Solution

The fourth proportional to 849,606.47, 1,171,860 and 559,125.48 is: 771,200.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,606.47 : 1,171,860 = 559,125.48 : x
  2. Step 2: Convert to fraction form
    849,606.47/1,171,860 = 559,125.48/x
  3. Step 3: Cross multiply
    849,606.47x = 1,171,860 × 559,125.48
  4. Step 4: Simplify right side
    849,606.47x = 655,216,784,992.80
  5. Step 5: Solve for x
    x = 655,216,784,992.80/849,606.47
  6. Step 6: Final answer
    x = 771,200.33

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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.