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Finding the Fourth Proportional to 553,883.69, 764,361.58 and 350,025.22

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Solution

The fourth proportional to 553,883.69, 764,361.58 and 350,025.22 is: 483,036.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,883.69 : 764,361.58 = 350,025.22 : x
  2. Step 2: Convert to fraction form
    553,883.69/764,361.58 = 350,025.22/x
  3. Step 3: Cross multiply
    553,883.69x = 764,361.58 × 350,025.22
  4. Step 4: Simplify right side
    553,883.69x = 267,545,827,413.08
  5. Step 5: Solve for x
    x = 267,545,827,413.08/553,883.69
  6. Step 6: Final answer
    x = 483,036.12

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1.5x scale

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.