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Finding the Fourth Proportional to 476,205.86, 714,312.79 and 121,219.94

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Solution

The fourth proportional to 476,205.86, 714,312.79 and 121,219.94 is: 181,830.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,205.86 : 714,312.79 = 121,219.94 : x
  2. Step 2: Convert to fraction form
    476,205.86/714,312.79 = 121,219.94/x
  3. Step 3: Cross multiply
    476,205.86x = 714,312.79 × 121,219.94
  4. Step 4: Simplify right side
    476,205.86x = 86,588,952,062.30
  5. Step 5: Solve for x
    x = 86,588,952,062.30/476,205.86
  6. Step 6: Final answer
    x = 181,830.93

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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.