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Finding the Fourth Proportional to 558,792.78, 771,150.76 and 344,056.74

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Solution

The fourth proportional to 558,792.78, 771,150.76 and 344,056.74 is: 474,808.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,792.78 : 771,150.76 = 344,056.74 : x
  2. Step 2: Convert to fraction form
    558,792.78/771,150.76 = 344,056.74/x
  3. Step 3: Cross multiply
    558,792.78x = 771,150.76 × 344,056.74
  4. Step 4: Simplify right side
    558,792.78x = 265,319,616,534.12
  5. Step 5: Solve for x
    x = 265,319,616,534.12/558,792.78
  6. Step 6: Final answer
    x = 474,808.60

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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.