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Finding the Fourth Proportional to 570,379.37, 787,657.08 and 366,784.02

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Solution

The fourth proportional to 570,379.37, 787,657.08 and 366,784.02 is: 506,505.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,379.37 : 787,657.08 = 366,784.02 : x
  2. Step 2: Convert to fraction form
    570,379.37/787,657.08 = 366,784.02/x
  3. Step 3: Cross multiply
    570,379.37x = 787,657.08 × 366,784.02
  4. Step 4: Simplify right side
    570,379.37x = 288,900,032,570.66
  5. Step 5: Solve for x
    x = 288,900,032,570.66/570,379.37
  6. Step 6: Final answer
    x = 506,505.05

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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.