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Finding the Fourth Proportional to 707,148.48, 975,846.08 and 384,851.60

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Solution

The fourth proportional to 707,148.48, 975,846.08 and 384,851.60 is: 531,084.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,148.48 : 975,846.08 = 384,851.60 : x
  2. Step 2: Convert to fraction form
    707,148.48/975,846.08 = 384,851.60/x
  3. Step 3: Cross multiply
    707,148.48x = 975,846.08 × 384,851.60
  4. Step 4: Simplify right side
    707,148.48x = 375,555,925,241.73
  5. Step 5: Solve for x
    x = 375,555,925,241.73/707,148.48
  6. Step 6: Final answer
    x = 531,084.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.