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Finding the Fourth Proportional to 463,717.01, 643,203.42 and 451,426.07

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Solution

The fourth proportional to 463,717.01, 643,203.42 and 451,426.07 is: 626,155.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,717.01 : 643,203.42 = 451,426.07 : x
  2. Step 2: Convert to fraction form
    463,717.01/643,203.42 = 451,426.07/x
  3. Step 3: Cross multiply
    463,717.01x = 643,203.42 × 451,426.07
  4. Step 4: Simplify right side
    463,717.01x = 290,358,788,885.14
  5. Step 5: Solve for x
    x = 290,358,788,885.14/463,717.01
  6. Step 6: Final answer
    x = 626,155.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.