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Finding the Fourth Proportional to 602,913.02, 903,187.13 and 349,661.46

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Solution

The fourth proportional to 602,913.02, 903,187.13 and 349,661.46 is: 523,806.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,913.02 : 903,187.13 = 349,661.46 : x
  2. Step 2: Convert to fraction form
    602,913.02/903,187.13 = 349,661.46/x
  3. Step 3: Cross multiply
    602,913.02x = 903,187.13 × 349,661.46
  4. Step 4: Simplify right side
    602,913.02x = 315,809,730,529.01
  5. Step 5: Solve for x
    x = 315,809,730,529.01/602,913.02
  6. Step 6: Final answer
    x = 523,806.45

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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.