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Finding the Fourth Proportional to 338,351.33, 507,527 and 113,711.77

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Solution

The fourth proportional to 338,351.33, 507,527 and 113,711.77 is: 170,567.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,351.33 : 507,527 = 113,711.77 : x
  2. Step 2: Convert to fraction form
    338,351.33/507,527 = 113,711.77/x
  3. Step 3: Cross multiply
    338,351.33x = 507,527 × 113,711.77
  4. Step 4: Simplify right side
    338,351.33x = 57,711,793,492.79
  5. Step 5: Solve for x
    x = 57,711,793,492.79/338,351.33
  6. Step 6: Final answer
    x = 170,567.66

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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.