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Finding the Fourth Proportional to 566,486.49, 780,262.18 and 435,413.49

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Solution

The fourth proportional to 566,486.49, 780,262.18 and 435,413.49 is: 599,726.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,486.49 : 780,262.18 = 435,413.49 : x
  2. Step 2: Convert to fraction form
    566,486.49/780,262.18 = 435,413.49/x
  3. Step 3: Cross multiply
    566,486.49x = 780,262.18 × 435,413.49
  4. Step 4: Simplify right side
    566,486.49x = 339,736,681,732.47
  5. Step 5: Solve for x
    x = 339,736,681,732.47/566,486.49
  6. Step 6: Final answer
    x = 599,726.00

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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.