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Finding the Fourth Proportional to 875,476.04, 1,313,805 and 342,931.04

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Solution

The fourth proportional to 875,476.04, 1,313,805 and 342,931.04 is: 514,628.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,476.04 : 1,313,805 = 342,931.04 : x
  2. Step 2: Convert to fraction form
    875,476.04/1,313,805 = 342,931.04/x
  3. Step 3: Cross multiply
    875,476.04x = 1,313,805 × 342,931.04
  4. Step 4: Simplify right side
    875,476.04x = 450,544,515,007.20
  5. Step 5: Solve for x
    x = 450,544,515,007.20/875,476.04
  6. Step 6: Final answer
    x = 514,628.04

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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.