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Finding the Fourth Proportional to 348,476.48, 522,715.20 and 230,894.72

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Solution

The fourth proportional to 348,476.48, 522,715.20 and 230,894.72 is: 346,342.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,476.48 : 522,715.20 = 230,894.72 : x
  2. Step 2: Convert to fraction form
    348,476.48/522,715.20 = 230,894.72/x
  3. Step 3: Cross multiply
    348,476.48x = 522,715.20 × 230,894.72
  4. Step 4: Simplify right side
    348,476.48x = 120,692,179,743.74
  5. Step 5: Solve for x
    x = 120,692,179,743.74/348,476.48
  6. Step 6: Final answer
    x = 346,342.40

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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.