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Finding the Fourth Proportional to 552,327.84, 762,205.16 and 310,610.34

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Solution

The fourth proportional to 552,327.84, 762,205.16 and 310,610.34 is: 428,638.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,327.84 : 762,205.16 = 310,610.34 : x
  2. Step 2: Convert to fraction form
    552,327.84/762,205.16 = 310,610.34/x
  3. Step 3: Cross multiply
    552,327.84x = 762,205.16 × 310,610.34
  4. Step 4: Simplify right side
    552,327.84x = 236,748,803,897.35
  5. Step 5: Solve for x
    x = 236,748,803,897.35/552,327.84
  6. Step 6: Final answer
    x = 428,638.19

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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.