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Finding the Fourth Proportional to 549,804.08, 758,732.28 and 358,704.56

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Solution

The fourth proportional to 549,804.08, 758,732.28 and 358,704.56 is: 495,014.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,804.08 : 758,732.28 = 358,704.56 : x
  2. Step 2: Convert to fraction form
    549,804.08/758,732.28 = 358,704.56/x
  3. Step 3: Cross multiply
    549,804.08x = 758,732.28 × 358,704.56
  4. Step 4: Simplify right side
    549,804.08x = 272,160,728,655.20
  5. Step 5: Solve for x
    x = 272,160,728,655.20/549,804.08
  6. Step 6: Final answer
    x = 495,014.02

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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.