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Finding the Fourth Proportional to 612,433.17, 845,205.06 and 367,427.11

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Solution

The fourth proportional to 612,433.17, 845,205.06 and 367,427.11 is: 507,077.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,433.17 : 845,205.06 = 367,427.11 : x
  2. Step 2: Convert to fraction form
    612,433.17/845,205.06 = 367,427.11/x
  3. Step 3: Cross multiply
    612,433.17x = 845,205.06 × 367,427.11
  4. Step 4: Simplify right side
    612,433.17x = 310,551,252,553.18
  5. Step 5: Solve for x
    x = 310,551,252,553.18/612,433.17
  6. Step 6: Final answer
    x = 507,077.78

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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.