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Finding the Fourth Proportional to 304,518.40, 420,177.01 and 168,545.93

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Solution

The fourth proportional to 304,518.40, 420,177.01 and 168,545.93 is: 232,561.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,518.40 : 420,177.01 = 168,545.93 : x
  2. Step 2: Convert to fraction form
    304,518.40/420,177.01 = 168,545.93/x
  3. Step 3: Cross multiply
    304,518.40x = 420,177.01 × 168,545.93
  4. Step 4: Simplify right side
    304,518.40x = 70,819,121,971.45
  5. Step 5: Solve for x
    x = 70,819,121,971.45/304,518.40
  6. Step 6: Final answer
    x = 232,561.06

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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.