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Finding the Fourth Proportional to 260,573.52, 390,927.65 and 152,594.07

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Solution

The fourth proportional to 260,573.52, 390,927.65 and 152,594.07 is: 228,930.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,573.52 : 390,927.65 = 152,594.07 : x
  2. Step 2: Convert to fraction form
    260,573.52/390,927.65 = 152,594.07/x
  3. Step 3: Cross multiply
    260,573.52x = 390,927.65 × 152,594.07
  4. Step 4: Simplify right side
    260,573.52x = 59,653,241,189.04
  5. Step 5: Solve for x
    x = 59,653,241,189.04/260,573.52
  6. Step 6: Final answer
    x = 228,930.56

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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.