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Finding the Fourth Proportional to 530,960.90, 732,671.61 and 316,110.02

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Solution

The fourth proportional to 530,960.90, 732,671.61 and 316,110.02 is: 436,199.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,960.90 : 732,671.61 = 316,110.02 : x
  2. Step 2: Convert to fraction form
    530,960.90/732,671.61 = 316,110.02/x
  3. Step 3: Cross multiply
    530,960.90x = 732,671.61 × 316,110.02
  4. Step 4: Simplify right side
    530,960.90x = 231,604,837,290.53
  5. Step 5: Solve for x
    x = 231,604,837,290.53/530,960.90
  6. Step 6: Final answer
    x = 436,199.42

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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.