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Finding the Fourth Proportional to 570,565.80, 786,902.40 and 366,649.92

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Solution

The fourth proportional to 570,565.80, 786,902.40 and 366,649.92 is: 505,669.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,565.80 : 786,902.40 = 366,649.92 : x
  2. Step 2: Convert to fraction form
    570,565.80/786,902.40 = 366,649.92/x
  3. Step 3: Cross multiply
    570,565.80x = 786,902.40 × 366,649.92
  4. Step 4: Simplify right side
    570,565.80x = 288,517,702,007.81
  5. Step 5: Solve for x
    x = 288,517,702,007.81/570,565.80
  6. Step 6: Final answer
    x = 505,669.46

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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.