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Finding the Fourth Proportional to 604,278.36, 906,417.81 and 154,999.24

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Solution

The fourth proportional to 604,278.36, 906,417.81 and 154,999.24 is: 232,498.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,278.36 : 906,417.81 = 154,999.24 : x
  2. Step 2: Convert to fraction form
    604,278.36/906,417.81 = 154,999.24/x
  3. Step 3: Cross multiply
    604,278.36x = 906,417.81 × 154,999.24
  4. Step 4: Simplify right side
    604,278.36x = 140,494,069,406.42
  5. Step 5: Solve for x
    x = 140,494,069,406.42/604,278.36
  6. Step 6: Final answer
    x = 232,498.93

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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.