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Finding the Fourth Proportional to 374,111.04, 516,252 and 213,005.28

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Solution

The fourth proportional to 374,111.04, 516,252 and 213,005.28 is: 293,935.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,111.04 : 516,252 = 213,005.28 : x
  2. Step 2: Convert to fraction form
    374,111.04/516,252 = 213,005.28/x
  3. Step 3: Cross multiply
    374,111.04x = 516,252 × 213,005.28
  4. Step 4: Simplify right side
    374,111.04x = 109,964,401,810.56
  5. Step 5: Solve for x
    x = 109,964,401,810.56/374,111.04
  6. Step 6: Final answer
    x = 293,935.20

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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.