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Finding the Fourth Proportional to 326,774.62, 490,192.17 and 127,110.16

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Solution

The fourth proportional to 326,774.62, 490,192.17 and 127,110.16 is: 190,677.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,774.62 : 490,192.17 = 127,110.16 : x
  2. Step 2: Convert to fraction form
    326,774.62/490,192.17 = 127,110.16/x
  3. Step 3: Cross multiply
    326,774.62x = 490,192.17 × 127,110.16
  4. Step 4: Simplify right side
    326,774.62x = 62,308,405,159.45
  5. Step 5: Solve for x
    x = 62,308,405,159.45/326,774.62
  6. Step 6: Final answer
    x = 190,677.00

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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.