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Finding the Fourth Proportional to 517,070.07, 775,605.33 and 162,111.77

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Solution

The fourth proportional to 517,070.07, 775,605.33 and 162,111.77 is: 243,167.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,070.07 : 775,605.33 = 162,111.77 : x
  2. Step 2: Convert to fraction form
    517,070.07/775,605.33 = 162,111.77/x
  3. Step 3: Cross multiply
    517,070.07x = 775,605.33 × 162,111.77
  4. Step 4: Simplify right side
    517,070.07x = 125,734,750,928.72
  5. Step 5: Solve for x
    x = 125,734,750,928.72/517,070.07
  6. Step 6: Final answer
    x = 243,167.72

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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.