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Finding the Fourth Proportional to 463,347.84, 639,230.94 and 291,210.29

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Solution

The fourth proportional to 463,347.84, 639,230.94 and 291,210.29 is: 401,751.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,347.84 : 639,230.94 = 291,210.29 : x
  2. Step 2: Convert to fraction form
    463,347.84/639,230.94 = 291,210.29/x
  3. Step 3: Cross multiply
    463,347.84x = 639,230.94 × 291,210.29
  4. Step 4: Simplify right side
    463,347.84x = 186,150,626,615.33
  5. Step 5: Solve for x
    x = 186,150,626,615.33/463,347.84
  6. Step 6: Final answer
    x = 401,751.36

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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.