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Finding the Fourth Proportional to 521,544.40, 719,727.24 and 295,182.16

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Solution

The fourth proportional to 521,544.40, 719,727.24 and 295,182.16 is: 407,349.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,544.40 : 719,727.24 = 295,182.16 : x
  2. Step 2: Convert to fraction form
    521,544.40/719,727.24 = 295,182.16/x
  3. Step 3: Cross multiply
    521,544.40x = 719,727.24 × 295,182.16
  4. Step 4: Simplify right side
    521,544.40x = 212,450,641,314.04
  5. Step 5: Solve for x
    x = 212,450,641,314.04/521,544.40
  6. Step 6: Final answer
    x = 407,349.10

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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.