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Finding the Fourth Proportional to 560,597.65, 840,396.52 and 205,528.93

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Solution

The fourth proportional to 560,597.65, 840,396.52 and 205,528.93 is: 308,110.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,597.65 : 840,396.52 = 205,528.93 : x
  2. Step 2: Convert to fraction form
    560,597.65/840,396.52 = 205,528.93/x
  3. Step 3: Cross multiply
    560,597.65x = 840,396.52 × 205,528.93
  4. Step 4: Simplify right side
    560,597.65x = 172,725,797,531.32
  5. Step 5: Solve for x
    x = 172,725,797,531.32/560,597.65
  6. Step 6: Final answer
    x = 308,110.10

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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.