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Finding the Fourth Proportional to 366,176.41, 549,064.40 and 290,759.40

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Solution

The fourth proportional to 366,176.41, 549,064.40 and 290,759.40 is: 435,980.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,176.41 : 549,064.40 = 290,759.40 : x
  2. Step 2: Convert to fraction form
    366,176.41/549,064.40 = 290,759.40/x
  3. Step 3: Cross multiply
    366,176.41x = 549,064.40 × 290,759.40
  4. Step 4: Simplify right side
    366,176.41x = 159,645,634,051.56
  5. Step 5: Solve for x
    x = 159,645,634,051.56/366,176.41
  6. Step 6: Final answer
    x = 435,980.12

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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.