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Finding the Fourth Proportional to 735,902.60, 1,103,270.70 and 403,478.60

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Solution

The fourth proportional to 735,902.60, 1,103,270.70 and 403,478.60 is: 604,898.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,902.60 : 1,103,270.70 = 403,478.60 : x
  2. Step 2: Convert to fraction form
    735,902.60/1,103,270.70 = 403,478.60/x
  3. Step 3: Cross multiply
    735,902.60x = 1,103,270.70 × 403,478.60
  4. Step 4: Simplify right side
    735,902.60x = 445,146,117,457.02
  5. Step 5: Solve for x
    x = 445,146,117,457.02/735,902.60
  6. Step 6: Final answer
    x = 604,898.14

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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.