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Finding the Fourth Proportional to 867,503.86, 1,197,192.71 and 480,319.25

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Solution

The fourth proportional to 867,503.86, 1,197,192.71 and 480,319.25 is: 662,861.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,503.86 : 1,197,192.71 = 480,319.25 : x
  2. Step 2: Convert to fraction form
    867,503.86/1,197,192.71 = 480,319.25/x
  3. Step 3: Cross multiply
    867,503.86x = 1,197,192.71 × 480,319.25
  4. Step 4: Simplify right side
    867,503.86x = 575,034,699,787.50
  5. Step 5: Solve for x
    x = 575,034,699,787.50/867,503.86
  6. Step 6: Final answer
    x = 662,861.26

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.