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Finding the Fourth Proportional to 293,483.40, 440,225.10 and 136,019.40

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Solution

The fourth proportional to 293,483.40, 440,225.10 and 136,019.40 is: 204,029.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,483.40 : 440,225.10 = 136,019.40 : x
  2. Step 2: Convert to fraction form
    293,483.40/440,225.10 = 136,019.40/x
  3. Step 3: Cross multiply
    293,483.40x = 440,225.10 × 136,019.40
  4. Step 4: Simplify right side
    293,483.40x = 59,879,153,966.94
  5. Step 5: Solve for x
    x = 59,879,153,966.94/293,483.40
  6. Step 6: Final answer
    x = 204,029.10

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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.