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Finding the Fourth Proportional to 552,718.84, 829,075.20 and 477,610.60

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Solution

The fourth proportional to 552,718.84, 829,075.20 and 477,610.60 is: 716,413.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,718.84 : 829,075.20 = 477,610.60 : x
  2. Step 2: Convert to fraction form
    552,718.84/829,075.20 = 477,610.60/x
  3. Step 3: Cross multiply
    552,718.84x = 829,075.20 × 477,610.60
  4. Step 4: Simplify right side
    552,718.84x = 395,975,103,717.12
  5. Step 5: Solve for x
    x = 395,975,103,717.12/552,718.84
  6. Step 6: Final answer
    x = 716,413.26

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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.