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Finding the Fourth Proportional to 355,700.70, 533,368.65 and 106,350.30

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Solution

The fourth proportional to 355,700.70, 533,368.65 and 106,350.30 is: 159,470.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,700.70 : 533,368.65 = 106,350.30 : x
  2. Step 2: Convert to fraction form
    355,700.70/533,368.65 = 106,350.30/x
  3. Step 3: Cross multiply
    355,700.70x = 533,368.65 × 106,350.30
  4. Step 4: Simplify right side
    355,700.70x = 56,723,915,938.10
  5. Step 5: Solve for x
    x = 56,723,915,938.10/355,700.70
  6. Step 6: Final answer
    x = 159,470.91

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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.