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Finding the Fourth Proportional to 402,501.57, 555,465.54 and 236,899.52

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Solution

The fourth proportional to 402,501.57, 555,465.54 and 236,899.52 is: 326,929.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,501.57 : 555,465.54 = 236,899.52 : x
  2. Step 2: Convert to fraction form
    402,501.57/555,465.54 = 236,899.52/x
  3. Step 3: Cross multiply
    402,501.57x = 555,465.54 × 236,899.52
  4. Step 4: Simplify right side
    402,501.57x = 131,589,517,025.21
  5. Step 5: Solve for x
    x = 131,589,517,025.21/402,501.57
  6. Step 6: Final answer
    x = 326,929.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.