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Finding the Fourth Proportional to 291,273.10, 436,909.65 and 249,282.70

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Solution

The fourth proportional to 291,273.10, 436,909.65 and 249,282.70 is: 373,924.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,273.10 : 436,909.65 = 249,282.70 : x
  2. Step 2: Convert to fraction form
    291,273.10/436,909.65 = 249,282.70/x
  3. Step 3: Cross multiply
    291,273.10x = 436,909.65 × 249,282.70
  4. Step 4: Simplify right side
    291,273.10x = 108,914,017,208.06
  5. Step 5: Solve for x
    x = 108,914,017,208.06/291,273.10
  6. Step 6: Final answer
    x = 373,924.05

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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.