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Finding the Fourth Proportional to 551,993.63, 827,907.26 and 353,699.70

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Solution

The fourth proportional to 551,993.63, 827,907.26 and 353,699.70 is: 530,496.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,993.63 : 827,907.26 = 353,699.70 : x
  2. Step 2: Convert to fraction form
    551,993.63/827,907.26 = 353,699.70/x
  3. Step 3: Cross multiply
    551,993.63x = 827,907.26 × 353,699.70
  4. Step 4: Simplify right side
    551,993.63x = 292,830,547,721.32
  5. Step 5: Solve for x
    x = 292,830,547,721.32/551,993.63
  6. Step 6: Final answer
    x = 530,496.25

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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.