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Finding the Fourth Proportional to 904,644, 1,357,588.08 and 313,668

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Solution

The fourth proportional to 904,644, 1,357,588.08 and 313,668 is: 470,717.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,644 : 1,357,588.08 = 313,668 : x
  2. Step 2: Convert to fraction form
    904,644/1,357,588.08 = 313,668/x
  3. Step 3: Cross multiply
    904,644x = 1,357,588.08 × 313,668
  4. Step 4: Simplify right side
    904,644x = 425,831,937,877.44
  5. Step 5: Solve for x
    x = 425,831,937,877.44/904,644
  6. Step 6: Final answer
    x = 470,717.69

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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.