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Finding the Fourth Proportional to 440,435.96, 607,812.90 and 249,446.60

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Solution

The fourth proportional to 440,435.96, 607,812.90 and 249,446.60 is: 344,242.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,435.96 : 607,812.90 = 249,446.60 : x
  2. Step 2: Convert to fraction form
    440,435.96/607,812.90 = 249,446.60/x
  3. Step 3: Cross multiply
    440,435.96x = 607,812.90 × 249,446.60
  4. Step 4: Simplify right side
    440,435.96x = 151,616,861,341.14
  5. Step 5: Solve for x
    x = 151,616,861,341.14/440,435.96
  6. Step 6: Final answer
    x = 344,242.69

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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.