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Finding the Fourth Proportional to 750,697.44, 1,035,963.03 and 406,536.06

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Solution

The fourth proportional to 750,697.44, 1,035,963.03 and 406,536.06 is: 561,020.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,697.44 : 1,035,963.03 = 406,536.06 : x
  2. Step 2: Convert to fraction form
    750,697.44/1,035,963.03 = 406,536.06/x
  3. Step 3: Cross multiply
    750,697.44x = 1,035,963.03 × 406,536.06
  4. Step 4: Simplify right side
    750,697.44x = 421,156,328,521.86
  5. Step 5: Solve for x
    x = 421,156,328,521.86/750,697.44
  6. Step 6: Final answer
    x = 561,020.07

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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.