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Finding the Fourth Proportional to 366,173.96, 549,060.70 and 290,756.95

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Solution

The fourth proportional to 366,173.96, 549,060.70 and 290,756.95 is: 435,976.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,173.96 : 549,060.70 = 290,756.95 : x
  2. Step 2: Convert to fraction form
    366,173.96/549,060.70 = 290,756.95/x
  3. Step 3: Cross multiply
    366,173.96x = 549,060.70 × 290,756.95
  4. Step 4: Simplify right side
    366,173.96x = 159,643,212,397.32
  5. Step 5: Solve for x
    x = 159,643,212,397.32/366,173.96
  6. Step 6: Final answer
    x = 435,976.43

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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.