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Finding the Fourth Proportional to 454,809.48, 627,443.46 and 333,740.40

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Solution

The fourth proportional to 454,809.48, 627,443.46 and 333,740.40 is: 460,419.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,809.48 : 627,443.46 = 333,740.40 : x
  2. Step 2: Convert to fraction form
    454,809.48/627,443.46 = 333,740.40/x
  3. Step 3: Cross multiply
    454,809.48x = 627,443.46 × 333,740.40
  4. Step 4: Simplify right side
    454,809.48x = 209,403,231,317.78
  5. Step 5: Solve for x
    x = 209,403,231,317.78/454,809.48
  6. Step 6: Final answer
    x = 460,419.67

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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.