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Finding the Fourth Proportional to 644,681.92, 967,047.16 and 245,248.24

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Solution

The fourth proportional to 644,681.92, 967,047.16 and 245,248.24 is: 367,881.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,681.92 : 967,047.16 = 245,248.24 : x
  2. Step 2: Convert to fraction form
    644,681.92/967,047.16 = 245,248.24/x
  3. Step 3: Cross multiply
    644,681.92x = 967,047.16 × 245,248.24
  4. Step 4: Simplify right side
    644,681.92x = 237,166,613,987.00
  5. Step 5: Solve for x
    x = 237,166,613,987.00/644,681.92
  6. Step 6: Final answer
    x = 367,881.60

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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.