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Finding the Fourth Proportional to 304,526.56, 420,235.86 and 168,560.80

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Solution

The fourth proportional to 304,526.56, 420,235.86 and 168,560.80 is: 232,607.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,526.56 : 420,235.86 = 168,560.80 : x
  2. Step 2: Convert to fraction form
    304,526.56/420,235.86 = 168,560.80/x
  3. Step 3: Cross multiply
    304,526.56x = 420,235.86 × 168,560.80
  4. Step 4: Simplify right side
    304,526.56x = 70,835,292,750.29
  5. Step 5: Solve for x
    x = 70,835,292,750.29/304,526.56
  6. Step 6: Final answer
    x = 232,607.93

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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.