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Finding the Fourth Proportional to 555,729.64, 833,594.46 and 369,105.64

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Solution

The fourth proportional to 555,729.64, 833,594.46 and 369,105.64 is: 553,658.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,729.64 : 833,594.46 = 369,105.64 : x
  2. Step 2: Convert to fraction form
    555,729.64/833,594.46 = 369,105.64/x
  3. Step 3: Cross multiply
    555,729.64x = 833,594.46 × 369,105.64
  4. Step 4: Simplify right side
    555,729.64x = 307,684,416,658.75
  5. Step 5: Solve for x
    x = 307,684,416,658.75/555,729.64
  6. Step 6: Final answer
    x = 553,658.46

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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.