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Finding the Fourth Proportional to 604,209.04, 904,979.16 and 548,411.44

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Solution

The fourth proportional to 604,209.04, 904,979.16 and 548,411.44 is: 821,405.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,209.04 : 904,979.16 = 548,411.44 : x
  2. Step 2: Convert to fraction form
    604,209.04/904,979.16 = 548,411.44/x
  3. Step 3: Cross multiply
    604,209.04x = 904,979.16 × 548,411.44
  4. Step 4: Simplify right side
    604,209.04x = 496,300,924,305.59
  5. Step 5: Solve for x
    x = 496,300,924,305.59/604,209.04
  6. Step 6: Final answer
    x = 821,405.99

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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.