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Finding the Fourth Proportional to 454,602.10, 676,535.62 and 439,465.32

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Solution

The fourth proportional to 454,602.10, 676,535.62 and 439,465.32 is: 654,009.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,602.10 : 676,535.62 = 439,465.32 : x
  2. Step 2: Convert to fraction form
    454,602.10/676,535.62 = 439,465.32/x
  3. Step 3: Cross multiply
    454,602.10x = 676,535.62 × 439,465.32
  4. Step 4: Simplify right side
    454,602.10x = 297,313,945,907.80
  5. Step 5: Solve for x
    x = 297,313,945,907.80/454,602.10
  6. Step 6: Final answer
    x = 654,009.18

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.