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Finding the Fourth Proportional to 437,730, 604,067.40 and 236,526

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Solution

The fourth proportional to 437,730, 604,067.40 and 236,526 is: 326,405.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,730 : 604,067.40 = 236,526 : x
  2. Step 2: Convert to fraction form
    437,730/604,067.40 = 236,526/x
  3. Step 3: Cross multiply
    437,730x = 604,067.40 × 236,526
  4. Step 4: Simplify right side
    437,730x = 142,877,645,852.40
  5. Step 5: Solve for x
    x = 142,877,645,852.40/437,730
  6. Step 6: Final answer
    x = 326,405.88

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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.