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Finding the Fourth Proportional to 366,458.40, 549,687.60 and 366,458.40

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Solution

The fourth proportional to 366,458.40, 549,687.60 and 366,458.40 is: 549,687.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,458.40 : 549,687.60 = 366,458.40 : x
  2. Step 2: Convert to fraction form
    366,458.40/549,687.60 = 366,458.40/x
  3. Step 3: Cross multiply
    366,458.40x = 549,687.60 × 366,458.40
  4. Step 4: Simplify right side
    366,458.40x = 201,437,638,395.84
  5. Step 5: Solve for x
    x = 201,437,638,395.84/366,458.40
  6. Step 6: Final answer
    x = 549,687.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.