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Finding the Fourth Proportional to 549,077.32, 755,439.78 and 484,264.36

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Solution

The fourth proportional to 549,077.32, 755,439.78 and 484,264.36 is: 666,267.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,077.32 : 755,439.78 = 484,264.36 : x
  2. Step 2: Convert to fraction form
    549,077.32/755,439.78 = 484,264.36/x
  3. Step 3: Cross multiply
    549,077.32x = 755,439.78 × 484,264.36
  4. Step 4: Simplify right side
    549,077.32x = 365,832,561,580.24
  5. Step 5: Solve for x
    x = 365,832,561,580.24/549,077.32
  6. Step 6: Final answer
    x = 666,267.84

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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.