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Finding the Fourth Proportional to 362,598.86, 500,357.09 and 209,646.87

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Solution

The fourth proportional to 362,598.86, 500,357.09 and 209,646.87 is: 289,295.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,598.86 : 500,357.09 = 209,646.87 : x
  2. Step 2: Convert to fraction form
    362,598.86/500,357.09 = 209,646.87/x
  3. Step 3: Cross multiply
    362,598.86x = 500,357.09 × 209,646.87
  4. Step 4: Simplify right side
    362,598.86x = 104,898,297,800.81
  5. Step 5: Solve for x
    x = 104,898,297,800.81/362,598.86
  6. Step 6: Final answer
    x = 289,295.72

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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.