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Finding the Fourth Proportional to 853,641.60, 1,277,697.60 and 604,809.60

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Solution

The fourth proportional to 853,641.60, 1,277,697.60 and 604,809.60 is: 905,255.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,641.60 : 1,277,697.60 = 604,809.60 : x
  2. Step 2: Convert to fraction form
    853,641.60/1,277,697.60 = 604,809.60/x
  3. Step 3: Cross multiply
    853,641.60x = 1,277,697.60 × 604,809.60
  4. Step 4: Simplify right side
    853,641.60x = 772,763,774,376.96
  5. Step 5: Solve for x
    x = 772,763,774,376.96/853,641.60
  6. Step 6: Final answer
    x = 905,255.52

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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.