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Finding the Fourth Proportional to 622,074.40, 933,111.60 and 570,464.80

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Solution

The fourth proportional to 622,074.40, 933,111.60 and 570,464.80 is: 855,697.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,074.40 : 933,111.60 = 570,464.80 : x
  2. Step 2: Convert to fraction form
    622,074.40/933,111.60 = 570,464.80/x
  3. Step 3: Cross multiply
    622,074.40x = 933,111.60 × 570,464.80
  4. Step 4: Simplify right side
    622,074.40x = 532,307,322,271.68
  5. Step 5: Solve for x
    x = 532,307,322,271.68/622,074.40
  6. Step 6: Final answer
    x = 855,697.20

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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.