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Finding the Fourth Proportional to 440,321.85, 607,646.58 and 249,372.45

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Solution

The fourth proportional to 440,321.85, 607,646.58 and 249,372.45 is: 344,135.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,321.85 : 607,646.58 = 249,372.45 : x
  2. Step 2: Convert to fraction form
    440,321.85/607,646.58 = 249,372.45/x
  3. Step 3: Cross multiply
    440,321.85x = 607,646.58 × 249,372.45
  4. Step 4: Simplify right side
    440,321.85x = 151,530,316,388.72
  5. Step 5: Solve for x
    x = 151,530,316,388.72/440,321.85
  6. Step 6: Final answer
    x = 344,135.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.