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Finding the Fourth Proportional to 888,081.30, 1,332,121.95 and 528,830.10

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Solution

The fourth proportional to 888,081.30, 1,332,121.95 and 528,830.10 is: 793,245.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,081.30 : 1,332,121.95 = 528,830.10 : x
  2. Step 2: Convert to fraction form
    888,081.30/1,332,121.95 = 528,830.10/x
  3. Step 3: Cross multiply
    888,081.30x = 1,332,121.95 × 528,830.10
  4. Step 4: Simplify right side
    888,081.30x = 704,466,184,030.70
  5. Step 5: Solve for x
    x = 704,466,184,030.70/888,081.30
  6. Step 6: Final answer
    x = 793,245.15

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.