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Finding the Fourth Proportional to 356,501.60, 534,392.35 and 223,475.09

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Solution

The fourth proportional to 356,501.60, 534,392.35 and 223,475.09 is: 334,986.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,501.60 : 534,392.35 = 223,475.09 : x
  2. Step 2: Convert to fraction form
    356,501.60/534,392.35 = 223,475.09/x
  3. Step 3: Cross multiply
    356,501.60x = 534,392.35 × 223,475.09
  4. Step 4: Simplify right side
    356,501.60x = 119,423,379,288.86
  5. Step 5: Solve for x
    x = 119,423,379,288.86/356,501.60
  6. Step 6: Final answer
    x = 334,986.94

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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.