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Finding the Fourth Proportional to 554,437.02, 765,123.63 and 299,788.14

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Solution

The fourth proportional to 554,437.02, 765,123.63 and 299,788.14 is: 413,707.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,437.02 : 765,123.63 = 299,788.14 : x
  2. Step 2: Convert to fraction form
    554,437.02/765,123.63 = 299,788.14/x
  3. Step 3: Cross multiply
    554,437.02x = 765,123.63 × 299,788.14
  4. Step 4: Simplify right side
    554,437.02x = 229,374,989,907.75
  5. Step 5: Solve for x
    x = 229,374,989,907.75/554,437.02
  6. Step 6: Final answer
    x = 413,707.93

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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.