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Finding the Fourth Proportional to 366,440.96, 549,962.88 and 156,316.16

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Solution

The fourth proportional to 366,440.96, 549,962.88 and 156,316.16 is: 234,602.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,440.96 : 549,962.88 = 156,316.16 : x
  2. Step 2: Convert to fraction form
    366,440.96/549,962.88 = 156,316.16/x
  3. Step 3: Cross multiply
    366,440.96x = 549,962.88 × 156,316.16
  4. Step 4: Simplify right side
    366,440.96x = 85,968,085,544.14
  5. Step 5: Solve for x
    x = 85,968,085,544.14/366,440.96
  6. Step 6: Final answer
    x = 234,602.83

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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.