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Finding the Fourth Proportional to 454,809.98, 627,444.15 and 333,740.90

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Solution

The fourth proportional to 454,809.98, 627,444.15 and 333,740.90 is: 460,420.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,809.98 : 627,444.15 = 333,740.90 : x
  2. Step 2: Convert to fraction form
    454,809.98/627,444.15 = 333,740.90/x
  3. Step 3: Cross multiply
    454,809.98x = 627,444.15 × 333,740.90
  4. Step 4: Simplify right side
    454,809.98x = 209,403,775,320.74
  5. Step 5: Solve for x
    x = 209,403,775,320.74/454,809.98
  6. Step 6: Final answer
    x = 460,420.36

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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.