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Finding the Fourth Proportional to 656,599.30, 984,216.10 and 277,203.40

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Solution

The fourth proportional to 656,599.30, 984,216.10 and 277,203.40 is: 415,516.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,599.30 : 984,216.10 = 277,203.40 : x
  2. Step 2: Convert to fraction form
    656,599.30/984,216.10 = 277,203.40/x
  3. Step 3: Cross multiply
    656,599.30x = 984,216.10 × 277,203.40
  4. Step 4: Simplify right side
    656,599.30x = 272,828,049,254.74
  5. Step 5: Solve for x
    x = 272,828,049,254.74/656,599.30
  6. Step 6: Final answer
    x = 415,516.81

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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.