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Finding the Fourth Proportional to 560,901.42, 840,097.35 and 260,932.50

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Solution

The fourth proportional to 560,901.42, 840,097.35 and 260,932.50 is: 390,815.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,901.42 : 840,097.35 = 260,932.50 : x
  2. Step 2: Convert to fraction form
    560,901.42/840,097.35 = 260,932.50/x
  3. Step 3: Cross multiply
    560,901.42x = 840,097.35 × 260,932.50
  4. Step 4: Simplify right side
    560,901.42x = 219,208,701,778.88
  5. Step 5: Solve for x
    x = 219,208,701,778.88/560,901.42
  6. Step 6: Final answer
    x = 390,815.02

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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.