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Finding the Fourth Proportional to 328,026.90, 492,040.35 and 328,026.90

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Solution

The fourth proportional to 328,026.90, 492,040.35 and 328,026.90 is: 492,040.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,026.90 : 492,040.35 = 328,026.90 : x
  2. Step 2: Convert to fraction form
    328,026.90/492,040.35 = 328,026.90/x
  3. Step 3: Cross multiply
    328,026.90x = 492,040.35 × 328,026.90
  4. Step 4: Simplify right side
    328,026.90x = 161,402,470,685.42
  5. Step 5: Solve for x
    x = 161,402,470,685.42/328,026.90
  6. Step 6: Final answer
    x = 492,040.35

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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.