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Finding the Fourth Proportional to 528,584.50, 730,052.04 and 348,103.18

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Solution

The fourth proportional to 528,584.50, 730,052.04 and 348,103.18 is: 480,781.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,584.50 : 730,052.04 = 348,103.18 : x
  2. Step 2: Convert to fraction form
    528,584.50/730,052.04 = 348,103.18/x
  3. Step 3: Cross multiply
    528,584.50x = 730,052.04 × 348,103.18
  4. Step 4: Simplify right side
    528,584.50x = 254,133,436,689.49
  5. Step 5: Solve for x
    x = 254,133,436,689.49/528,584.50
  6. Step 6: Final answer
    x = 480,781.10

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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.