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Finding the Fourth Proportional to 556,441.92, 833,549.76 and 256,512.24

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Solution

The fourth proportional to 556,441.92, 833,549.76 and 256,512.24 is: 384,255.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,441.92 : 833,549.76 = 256,512.24 : x
  2. Step 2: Convert to fraction form
    556,441.92/833,549.76 = 256,512.24/x
  3. Step 3: Cross multiply
    556,441.92x = 833,549.76 × 256,512.24
  4. Step 4: Simplify right side
    556,441.92x = 213,815,716,089.06
  5. Step 5: Solve for x
    x = 213,815,716,089.06/556,441.92
  6. Step 6: Final answer
    x = 384,255.23

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Double scale
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Similar ratio
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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.