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Finding the Fourth Proportional to 437,897.70, 656,846.55 and 367,038.90

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Solution

The fourth proportional to 437,897.70, 656,846.55 and 367,038.90 is: 550,558.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,897.70 : 656,846.55 = 367,038.90 : x
  2. Step 2: Convert to fraction form
    437,897.70/656,846.55 = 367,038.90/x
  3. Step 3: Cross multiply
    437,897.70x = 656,846.55 × 367,038.90
  4. Step 4: Simplify right side
    437,897.70x = 241,088,235,180.80
  5. Step 5: Solve for x
    x = 241,088,235,180.80/437,897.70
  6. Step 6: Final answer
    x = 550,558.35

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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.