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Finding the Fourth Proportional to 922,642.53, 1,273,247.49 and 514,744.45

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Solution

The fourth proportional to 922,642.53, 1,273,247.49 and 514,744.45 is: 710,347.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,642.53 : 1,273,247.49 = 514,744.45 : x
  2. Step 2: Convert to fraction form
    922,642.53/1,273,247.49 = 514,744.45/x
  3. Step 3: Cross multiply
    922,642.53x = 1,273,247.49 × 514,744.45
  4. Step 4: Simplify right side
    922,642.53x = 655,397,078,953.93
  5. Step 5: Solve for x
    x = 655,397,078,953.93/922,642.53
  6. Step 6: Final answer
    x = 710,347.79

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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.