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Finding the Fourth Proportional to 549,377.64, 758,203.74 and 334,643.40

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Solution

The fourth proportional to 549,377.64, 758,203.74 and 334,643.40 is: 461,846.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,377.64 : 758,203.74 = 334,643.40 : x
  2. Step 2: Convert to fraction form
    549,377.64/758,203.74 = 334,643.40/x
  3. Step 3: Cross multiply
    549,377.64x = 758,203.74 × 334,643.40
  4. Step 4: Simplify right side
    549,377.64x = 253,727,877,446.32
  5. Step 5: Solve for x
    x = 253,727,877,446.32/549,377.64
  6. Step 6: Final answer
    x = 461,846.02

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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.