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Finding the Fourth Proportional to 292,286.10, 437,554.35 and 260,793.30

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Solution

The fourth proportional to 292,286.10, 437,554.35 and 260,793.30 is: 390,409.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,286.10 : 437,554.35 = 260,793.30 : x
  2. Step 2: Convert to fraction form
    292,286.10/437,554.35 = 260,793.30/x
  3. Step 3: Cross multiply
    292,286.10x = 437,554.35 × 260,793.30
  4. Step 4: Simplify right side
    292,286.10x = 114,111,242,865.86
  5. Step 5: Solve for x
    x = 114,111,242,865.86/292,286.10
  6. Step 6: Final answer
    x = 390,409.41

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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.