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Finding the Fourth Proportional to 556,820.08, 768,411.68 and 302,171.27

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Solution

The fourth proportional to 556,820.08, 768,411.68 and 302,171.27 is: 416,996.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,820.08 : 768,411.68 = 302,171.27 : x
  2. Step 2: Convert to fraction form
    556,820.08/768,411.68 = 302,171.27/x
  3. Step 3: Cross multiply
    556,820.08x = 768,411.68 × 302,171.27
  4. Step 4: Simplify right side
    556,820.08x = 232,191,932,062.83
  5. Step 5: Solve for x
    x = 232,191,932,062.83/556,820.08
  6. Step 6: Final answer
    x = 416,996.33

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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.