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Finding the Fourth Proportional to 556,186.32, 767,479.68 and 341,335.44

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Solution

The fourth proportional to 556,186.32, 767,479.68 and 341,335.44 is: 471,007.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,186.32 : 767,479.68 = 341,335.44 : x
  2. Step 2: Convert to fraction form
    556,186.32/767,479.68 = 341,335.44/x
  3. Step 3: Cross multiply
    556,186.32x = 767,479.68 × 341,335.44
  4. Step 4: Simplify right side
    556,186.32x = 261,968,014,263.86
  5. Step 5: Solve for x
    x = 261,968,014,263.86/556,186.32
  6. Step 6: Final answer
    x = 471,007.65

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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.