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Finding the Fourth Proportional to 560,903.42, 840,100.34 and 260,934.50

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Solution

The fourth proportional to 560,903.42, 840,100.34 and 260,934.50 is: 390,818.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,903.42 : 840,100.34 = 260,934.50 : x
  2. Step 2: Convert to fraction form
    560,903.42/840,100.34 = 260,934.50/x
  3. Step 3: Cross multiply
    560,903.42x = 840,100.34 × 260,934.50
  4. Step 4: Simplify right side
    560,903.42x = 219,211,162,167.73
  5. Step 5: Solve for x
    x = 219,211,162,167.73/560,903.42
  6. Step 6: Final answer
    x = 390,818.02

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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.