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Finding the Fourth Proportional to 590,403.60, 885,720.60 and 253,443.60

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Solution

The fourth proportional to 590,403.60, 885,720.60 and 253,443.60 is: 380,214.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,403.60 : 885,720.60 = 253,443.60 : x
  2. Step 2: Convert to fraction form
    590,403.60/885,720.60 = 253,443.60/x
  3. Step 3: Cross multiply
    590,403.60x = 885,720.60 × 253,443.60
  4. Step 4: Simplify right side
    590,403.60x = 224,480,217,458.16
  5. Step 5: Solve for x
    x = 224,480,217,458.16/590,403.60
  6. Step 6: Final answer
    x = 380,214.85

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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.