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Finding the Fourth Proportional to 554,385.82, 765,053.53 and 299,737.01

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Solution

The fourth proportional to 554,385.82, 765,053.53 and 299,737.01 is: 413,637.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,385.82 : 765,053.53 = 299,737.01 : x
  2. Step 2: Convert to fraction form
    554,385.82/765,053.53 = 299,737.01/x
  3. Step 3: Cross multiply
    554,385.82x = 765,053.53 × 299,737.01
  4. Step 4: Simplify right side
    554,385.82x = 229,314,855,275.02
  5. Step 5: Solve for x
    x = 229,314,855,275.02/554,385.82
  6. Step 6: Final answer
    x = 413,637.66

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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.