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Finding the Fourth Proportional to 547,510.64, 821,265.92 and 173,533.64

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Solution

The fourth proportional to 547,510.64, 821,265.92 and 173,533.64 is: 260,300.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,510.64 : 821,265.92 = 173,533.64 : x
  2. Step 2: Convert to fraction form
    547,510.64/821,265.92 = 173,533.64/x
  3. Step 3: Cross multiply
    547,510.64x = 821,265.92 × 173,533.64
  4. Step 4: Simplify right side
    547,510.64x = 142,517,264,505.55
  5. Step 5: Solve for x
    x = 142,517,264,505.55/547,510.64
  6. Step 6: Final answer
    x = 260,300.45

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Double scale
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Similar ratio
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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.