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Finding the Fourth Proportional to 338,973.16, 467,400.36 and 277,527.64

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Solution

The fourth proportional to 338,973.16, 467,400.36 and 277,527.64 is: 382,674.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,973.16 : 467,400.36 = 277,527.64 : x
  2. Step 2: Convert to fraction form
    338,973.16/467,400.36 = 277,527.64/x
  3. Step 3: Cross multiply
    338,973.16x = 467,400.36 × 277,527.64
  4. Step 4: Simplify right side
    338,973.16x = 129,716,518,845.95
  5. Step 5: Solve for x
    x = 129,716,518,845.95/338,973.16
  6. Step 6: Final answer
    x = 382,674.90

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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.