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Finding the Fourth Proportional to 560,518.92, 773,532.45 and 305,886.51

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Solution

The fourth proportional to 560,518.92, 773,532.45 and 305,886.51 is: 422,132.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,518.92 : 773,532.45 = 305,886.51 : x
  2. Step 2: Convert to fraction form
    560,518.92/773,532.45 = 305,886.51/x
  3. Step 3: Cross multiply
    560,518.92x = 773,532.45 × 305,886.51
  4. Step 4: Simplify right side
    560,518.92x = 236,613,141,502.25
  5. Step 5: Solve for x
    x = 236,613,141,502.25/560,518.92
  6. Step 6: Final answer
    x = 422,132.30

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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.