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Finding the Fourth Proportional to 366,070.40, 549,105.60 and 155,715.20

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Solution

The fourth proportional to 366,070.40, 549,105.60 and 155,715.20 is: 233,572.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,070.40 : 549,105.60 = 155,715.20 : x
  2. Step 2: Convert to fraction form
    366,070.40/549,105.60 = 155,715.20/x
  3. Step 3: Cross multiply
    366,070.40x = 549,105.60 × 155,715.20
  4. Step 4: Simplify right side
    366,070.40x = 85,504,088,325.12
  5. Step 5: Solve for x
    x = 85,504,088,325.12/366,070.40
  6. Step 6: Final answer
    x = 233,572.80

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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.