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Finding the Fourth Proportional to 304,274.10, 454,425.96 and 258,810.92

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Solution

The fourth proportional to 304,274.10, 454,425.96 and 258,810.92 is: 386,527.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,274.10 : 454,425.96 = 258,810.92 : x
  2. Step 2: Convert to fraction form
    304,274.10/454,425.96 = 258,810.92/x
  3. Step 3: Cross multiply
    304,274.10x = 454,425.96 × 258,810.92
  4. Step 4: Simplify right side
    304,274.10x = 117,610,400,779.48
  5. Step 5: Solve for x
    x = 117,610,400,779.48/304,274.10
  6. Step 6: Final answer
    x = 386,527.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.