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Finding the Fourth Proportional to 602,928.88, 903,210.94 and 349,677.35

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Solution

The fourth proportional to 602,928.88, 903,210.94 and 349,677.35 is: 523,830.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,928.88 : 903,210.94 = 349,677.35 : x
  2. Step 2: Convert to fraction form
    602,928.88/903,210.94 = 349,677.35/x
  3. Step 3: Cross multiply
    602,928.88x = 903,210.94 × 349,677.35
  4. Step 4: Simplify right side
    602,928.88x = 315,832,407,990.21
  5. Step 5: Solve for x
    x = 315,832,407,990.21/602,928.88
  6. Step 6: Final answer
    x = 523,830.29

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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.