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Finding the Fourth Proportional to 277,612.20, 415,835.10 and 152,807.40

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Solution

The fourth proportional to 277,612.20, 415,835.10 and 152,807.40 is: 228,890.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,612.20 : 415,835.10 = 152,807.40 : x
  2. Step 2: Convert to fraction form
    277,612.20/415,835.10 = 152,807.40/x
  3. Step 3: Cross multiply
    277,612.20x = 415,835.10 × 152,807.40
  4. Step 4: Simplify right side
    277,612.20x = 63,542,680,459.74
  5. Step 5: Solve for x
    x = 63,542,680,459.74/277,612.20
  6. Step 6: Final answer
    x = 228,890.09

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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.