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Finding the Fourth Proportional to 555,636.09, 833,455.05 and 134,911.97

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Solution

The fourth proportional to 555,636.09, 833,455.05 and 134,911.97 is: 202,368.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,636.09 : 833,455.05 = 134,911.97 : x
  2. Step 2: Convert to fraction form
    555,636.09/833,455.05 = 134,911.97/x
  3. Step 3: Cross multiply
    555,636.09x = 833,455.05 × 134,911.97
  4. Step 4: Simplify right side
    555,636.09x = 112,443,062,701.95
  5. Step 5: Solve for x
    x = 112,443,062,701.95/555,636.09
  6. Step 6: Final answer
    x = 202,368.18

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1.5x scale

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.