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Finding the Fourth Proportional to 539,402.60, 809,298.30 and 224,085.80

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Solution

The fourth proportional to 539,402.60, 809,298.30 and 224,085.80 is: 336,209.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,402.60 : 809,298.30 = 224,085.80 : x
  2. Step 2: Convert to fraction form
    539,402.60/809,298.30 = 224,085.80/x
  3. Step 3: Cross multiply
    539,402.60x = 809,298.30 × 224,085.80
  4. Step 4: Simplify right side
    539,402.60x = 181,352,256,994.14
  5. Step 5: Solve for x
    x = 181,352,256,994.14/539,402.60
  6. Step 6: Final answer
    x = 336,209.46

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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.