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Finding the Fourth Proportional to 865,681.16, 1,298,521.44 and 234,595

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Solution

The fourth proportional to 865,681.16, 1,298,521.44 and 234,595 is: 351,892.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,681.16 : 1,298,521.44 = 234,595 : x
  2. Step 2: Convert to fraction form
    865,681.16/1,298,521.44 = 234,595/x
  3. Step 3: Cross multiply
    865,681.16x = 1,298,521.44 × 234,595
  4. Step 4: Simplify right side
    865,681.16x = 304,626,637,216.80
  5. Step 5: Solve for x
    x = 304,626,637,216.80/865,681.16
  6. Step 6: Final answer
    x = 351,892.42

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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.