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Finding the Fourth Proportional to 570,235.59, 786,614.72 and 366,318.59

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Solution

The fourth proportional to 570,235.59, 786,614.72 and 366,318.59 is: 505,320.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,235.59 : 786,614.72 = 366,318.59 : x
  2. Step 2: Convert to fraction form
    570,235.59/786,614.72 = 366,318.59/x
  3. Step 3: Cross multiply
    570,235.59x = 786,614.72 × 366,318.59
  4. Step 4: Simplify right side
    570,235.59x = 288,151,589,338.98
  5. Step 5: Solve for x
    x = 288,151,589,338.98/570,235.59
  6. Step 6: Final answer
    x = 505,320.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.