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Finding the Fourth Proportional to 328,026.10, 492,039.15 and 106,410.10

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Solution

The fourth proportional to 328,026.10, 492,039.15 and 106,410.10 is: 159,615.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,026.10 : 492,039.15 = 106,410.10 : x
  2. Step 2: Convert to fraction form
    328,026.10/492,039.15 = 106,410.10/x
  3. Step 3: Cross multiply
    328,026.10x = 492,039.15 × 106,410.10
  4. Step 4: Simplify right side
    328,026.10x = 52,357,935,155.42
  5. Step 5: Solve for x
    x = 52,357,935,155.42/328,026.10
  6. Step 6: Final answer
    x = 159,615.15

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1.5x scale

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.