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Finding the Fourth Proportional to 304,463.07, 420,159.81 and 168,506.37

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Solution

The fourth proportional to 304,463.07, 420,159.81 and 168,506.37 is: 232,539.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,463.07 : 420,159.81 = 168,506.37 : x
  2. Step 2: Convert to fraction form
    304,463.07/420,159.81 = 168,506.37/x
  3. Step 3: Cross multiply
    304,463.07x = 420,159.81 × 168,506.37
  4. Step 4: Simplify right side
    304,463.07x = 70,799,604,402.99
  5. Step 5: Solve for x
    x = 70,799,604,402.99/304,463.07
  6. Step 6: Final answer
    x = 232,539.22

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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.