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Finding the Fourth Proportional to 473,309.11, 709,606.86 and 245,359.45

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Solution

The fourth proportional to 473,309.11, 709,606.86 and 245,359.45 is: 367,854.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,309.11 : 709,606.86 = 245,359.45 : x
  2. Step 2: Convert to fraction form
    473,309.11/709,606.86 = 245,359.45/x
  3. Step 3: Cross multiply
    473,309.11x = 709,606.86 × 245,359.45
  4. Step 4: Simplify right side
    473,309.11x = 174,108,748,885.83
  5. Step 5: Solve for x
    x = 174,108,748,885.83/473,309.11
  6. Step 6: Final answer
    x = 367,854.21

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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.