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Finding the Fourth Proportional to 549,490.26, 758,304.15 and 358,393.98

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Solution

The fourth proportional to 549,490.26, 758,304.15 and 358,393.98 is: 494,588.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,490.26 : 758,304.15 = 358,393.98 : x
  2. Step 2: Convert to fraction form
    549,490.26/758,304.15 = 358,393.98/x
  3. Step 3: Cross multiply
    549,490.26x = 758,304.15 × 358,393.98
  4. Step 4: Simplify right side
    549,490.26x = 271,771,642,369.02
  5. Step 5: Solve for x
    x = 271,771,642,369.02/549,490.26
  6. Step 6: Final answer
    x = 494,588.64

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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.