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Finding the Fourth Proportional to 554,877.99, 765,649.50 and 336,973.35

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Solution

The fourth proportional to 554,877.99, 765,649.50 and 336,973.35 is: 464,973.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,877.99 : 765,649.50 = 336,973.35 : x
  2. Step 2: Convert to fraction form
    554,877.99/765,649.50 = 336,973.35/x
  3. Step 3: Cross multiply
    554,877.99x = 765,649.50 × 336,973.35
  4. Step 4: Simplify right side
    554,877.99x = 258,003,476,940.83
  5. Step 5: Solve for x
    x = 258,003,476,940.83/554,877.99
  6. Step 6: Final answer
    x = 464,973.35

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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.