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Finding the Fourth Proportional to 434,903.16, 599,911.50 and 273,502.20

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Solution

The fourth proportional to 434,903.16, 599,911.50 and 273,502.20 is: 377,272.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,903.16 : 599,911.50 = 273,502.20 : x
  2. Step 2: Convert to fraction form
    434,903.16/599,911.50 = 273,502.20/x
  3. Step 3: Cross multiply
    434,903.16x = 599,911.50 × 273,502.20
  4. Step 4: Simplify right side
    434,903.16x = 164,077,115,055.30
  5. Step 5: Solve for x
    x = 164,077,115,055.30/434,903.16
  6. Step 6: Final answer
    x = 377,272.76

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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.