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Finding the Fourth Proportional to 1,983,700.85, 2,975,831.49 and 635,548.10

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Solution

The fourth proportional to 1,983,700.85, 2,975,831.49 and 635,548.10 is: 953,411.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983,700.85 : 2,975,831.49 = 635,548.10 : x
  2. Step 2: Convert to fraction form
    1,983,700.85/2,975,831.49 = 635,548.10/x
  3. Step 3: Cross multiply
    1,983,700.85x = 2,975,831.49 × 635,548.10
  4. Step 4: Simplify right side
    1,983,700.85x = 1,891,284,034,510.51
  5. Step 5: Solve for x
    x = 1,891,284,034,510.51/1,983,700.85
  6. Step 6: Final answer
    x = 953,411.92

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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.