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Finding the Fourth Proportional to 249,698.73, 375,360.06 and 200,319.05

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Solution

The fourth proportional to 249,698.73, 375,360.06 and 200,319.05 is: 301,129.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,698.73 : 375,360.06 = 200,319.05 : x
  2. Step 2: Convert to fraction form
    249,698.73/375,360.06 = 200,319.05/x
  3. Step 3: Cross multiply
    249,698.73x = 375,360.06 × 200,319.05
  4. Step 4: Simplify right side
    249,698.73x = 75,191,768,750.34
  5. Step 5: Solve for x
    x = 75,191,768,750.34/249,698.73
  6. Step 6: Final answer
    x = 301,129.96

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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.