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Finding the Fourth Proportional to 338,352.33, 507,528.50 and 113,712.77

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Solution

The fourth proportional to 338,352.33, 507,528.50 and 113,712.77 is: 170,569.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,352.33 : 507,528.50 = 113,712.77 : x
  2. Step 2: Convert to fraction form
    338,352.33/507,528.50 = 113,712.77/x
  3. Step 3: Cross multiply
    338,352.33x = 507,528.50 × 113,712.77
  4. Step 4: Simplify right side
    338,352.33x = 57,712,471,588.95
  5. Step 5: Solve for x
    x = 57,712,471,588.95/338,352.33
  6. Step 6: Final answer
    x = 170,569.16

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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.