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Finding the Fourth Proportional to 380,886.03, 525,628.69 and 227,930.65

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Solution

The fourth proportional to 380,886.03, 525,628.69 and 227,930.65 is: 314,547.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,886.03 : 525,628.69 = 227,930.65 : x
  2. Step 2: Convert to fraction form
    380,886.03/525,628.69 = 227,930.65/x
  3. Step 3: Cross multiply
    380,886.03x = 525,628.69 × 227,930.65
  4. Step 4: Simplify right side
    380,886.03x = 119,806,887,086.45
  5. Step 5: Solve for x
    x = 119,806,887,086.45/380,886.03
  6. Step 6: Final answer
    x = 314,547.86

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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.