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Finding the Fourth Proportional to 464,924.40, 696,004.20 and 278,300.40

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Solution

The fourth proportional to 464,924.40, 696,004.20 and 278,300.40 is: 416,623.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,924.40 : 696,004.20 = 278,300.40 : x
  2. Step 2: Convert to fraction form
    464,924.40/696,004.20 = 278,300.40/x
  3. Step 3: Cross multiply
    464,924.40x = 696,004.20 × 278,300.40
  4. Step 4: Simplify right side
    464,924.40x = 193,698,247,261.68
  5. Step 5: Solve for x
    x = 193,698,247,261.68/464,924.40
  6. Step 6: Final answer
    x = 416,623.11

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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.