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Finding the Fourth Proportional to 560,130.66, 772,760.25 and 344,897.46

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Solution

The fourth proportional to 560,130.66, 772,760.25 and 344,897.46 is: 475,822.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,130.66 : 772,760.25 = 344,897.46 : x
  2. Step 2: Convert to fraction form
    560,130.66/772,760.25 = 344,897.46/x
  3. Step 3: Cross multiply
    560,130.66x = 772,760.25 × 344,897.46
  4. Step 4: Simplify right side
    560,130.66x = 266,523,047,413.97
  5. Step 5: Solve for x
    x = 266,523,047,413.97/560,130.66
  6. Step 6: Final answer
    x = 475,822.99

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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.