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Finding the Fourth Proportional to 366,323.40, 549,614.70 and 353,363.40

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Solution

The fourth proportional to 366,323.40, 549,614.70 and 353,363.40 is: 530,170.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,323.40 : 549,614.70 = 353,363.40 : x
  2. Step 2: Convert to fraction form
    366,323.40/549,614.70 = 353,363.40/x
  3. Step 3: Cross multiply
    366,323.40x = 549,614.70 × 353,363.40
  4. Step 4: Simplify right side
    366,323.40x = 194,213,719,081.98
  5. Step 5: Solve for x
    x = 194,213,719,081.98/366,323.40
  6. Step 6: Final answer
    x = 530,170.11

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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.