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Finding the Fourth Proportional to 462,003.40, 692,486.70 and 262,419.40

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Solution

The fourth proportional to 462,003.40, 692,486.70 and 262,419.40 is: 393,334.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,003.40 : 692,486.70 = 262,419.40 : x
  2. Step 2: Convert to fraction form
    462,003.40/692,486.70 = 262,419.40/x
  3. Step 3: Cross multiply
    462,003.40x = 692,486.70 × 262,419.40
  4. Step 4: Simplify right side
    462,003.40x = 181,721,944,321.98
  5. Step 5: Solve for x
    x = 181,721,944,321.98/462,003.40
  6. Step 6: Final answer
    x = 393,334.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.