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Finding the Fourth Proportional to 551,240.64, 758,952.41 and 470,343.51

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Solution

The fourth proportional to 551,240.64, 758,952.41 and 470,343.51 is: 647,572.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,240.64 : 758,952.41 = 470,343.51 : x
  2. Step 2: Convert to fraction form
    551,240.64/758,952.41 = 470,343.51/x
  3. Step 3: Cross multiply
    551,240.64x = 758,952.41 × 470,343.51
  4. Step 4: Simplify right side
    551,240.64x = 356,968,340,442.36
  5. Step 5: Solve for x
    x = 356,968,340,442.36/551,240.64
  6. Step 6: Final answer
    x = 647,572.61

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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.