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Finding the Fourth Proportional to 549,503.86, 758,548.53 and 358,680.82

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Solution

The fourth proportional to 549,503.86, 758,548.53 and 358,680.82 is: 495,131.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,503.86 : 758,548.53 = 358,680.82 : x
  2. Step 2: Convert to fraction form
    549,503.86/758,548.53 = 358,680.82/x
  3. Step 3: Cross multiply
    549,503.86x = 758,548.53 × 358,680.82
  4. Step 4: Simplify right side
    549,503.86x = 272,076,808,750.20
  5. Step 5: Solve for x
    x = 272,076,808,750.20/549,503.86
  6. Step 6: Final answer
    x = 495,131.75

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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.