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Finding the Fourth Proportional to 554,577.84, 765,317.93 and 299,929.03

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Solution

The fourth proportional to 554,577.84, 765,317.93 and 299,929.03 is: 413,902.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,577.84 : 765,317.93 = 299,929.03 : x
  2. Step 2: Convert to fraction form
    554,577.84/765,317.93 = 299,929.03/x
  3. Step 3: Cross multiply
    554,577.84x = 765,317.93 × 299,929.03
  4. Step 4: Simplify right side
    554,577.84x = 229,541,064,386.51
  5. Step 5: Solve for x
    x = 229,541,064,386.51/554,577.84
  6. Step 6: Final answer
    x = 413,902.34

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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.