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Finding the Fourth Proportional to 562,124.30, 775,513.63 and 358,138.69

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Solution

The fourth proportional to 562,124.30, 775,513.63 and 358,138.69 is: 494,092.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,124.30 : 775,513.63 = 358,138.69 : x
  2. Step 2: Convert to fraction form
    562,124.30/775,513.63 = 358,138.69/x
  3. Step 3: Cross multiply
    562,124.30x = 775,513.63 × 358,138.69
  4. Step 4: Simplify right side
    562,124.30x = 277,741,435,525.35
  5. Step 5: Solve for x
    x = 277,741,435,525.35/562,124.30
  6. Step 6: Final answer
    x = 494,092.56

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.