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Finding the Fourth Proportional to 555,314.61, 832,971.95 and 134,590.49

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Solution

The fourth proportional to 555,314.61, 832,971.95 and 134,590.49 is: 201,885.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,314.61 : 832,971.95 = 134,590.49 : x
  2. Step 2: Convert to fraction form
    555,314.61/832,971.95 = 134,590.49/x
  3. Step 3: Cross multiply
    555,314.61x = 832,971.95 × 134,590.49
  4. Step 4: Simplify right side
    555,314.61x = 112,110,102,906.76
  5. Step 5: Solve for x
    x = 112,110,102,906.76/555,314.61
  6. Step 6: Final answer
    x = 201,885.74

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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.