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Finding the Fourth Proportional to 333,077.60, 499,616.40 and 298,085.60

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Solution

The fourth proportional to 333,077.60, 499,616.40 and 298,085.60 is: 447,128.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,077.60 : 499,616.40 = 298,085.60 : x
  2. Step 2: Convert to fraction form
    333,077.60/499,616.40 = 298,085.60/x
  3. Step 3: Cross multiply
    333,077.60x = 499,616.40 × 298,085.60
  4. Step 4: Simplify right side
    333,077.60x = 148,928,454,363.84
  5. Step 5: Solve for x
    x = 148,928,454,363.84/333,077.60
  6. Step 6: Final answer
    x = 447,128.40

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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.