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Finding the Fourth Proportional to 366,988.60, 549,826.80 and 300,066.40

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Solution

The fourth proportional to 366,988.60, 549,826.80 and 300,066.40 is: 449,563.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,988.60 : 549,826.80 = 300,066.40 : x
  2. Step 2: Convert to fraction form
    366,988.60/549,826.80 = 300,066.40/x
  3. Step 3: Cross multiply
    366,988.60x = 549,826.80 × 300,066.40
  4. Step 4: Simplify right side
    366,988.60x = 164,984,548,499.52
  5. Step 5: Solve for x
    x = 164,984,548,499.52/366,988.60
  6. Step 6: Final answer
    x = 449,563.14

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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.