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Finding the Fourth Proportional to 671,864.21, 927,172.59 and 370,058.21

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Solution

The fourth proportional to 671,864.21, 927,172.59 and 370,058.21 is: 510,680.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,864.21 : 927,172.59 = 370,058.21 : x
  2. Step 2: Convert to fraction form
    671,864.21/927,172.59 = 370,058.21/x
  3. Step 3: Cross multiply
    671,864.21x = 927,172.59 × 370,058.21
  4. Step 4: Simplify right side
    671,864.21x = 343,107,829,016.46
  5. Step 5: Solve for x
    x = 343,107,829,016.46/671,864.21
  6. Step 6: Final answer
    x = 510,680.32

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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.