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Finding the Fourth Proportional to 735,706.60, 1,103,300.70 and 262,407.40

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Solution

The fourth proportional to 735,706.60, 1,103,300.70 and 262,407.40 is: 393,518.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,706.60 : 1,103,300.70 = 262,407.40 : x
  2. Step 2: Convert to fraction form
    735,706.60/1,103,300.70 = 262,407.40/x
  3. Step 3: Cross multiply
    735,706.60x = 1,103,300.70 × 262,407.40
  4. Step 4: Simplify right side
    735,706.60x = 289,514,268,105.18
  5. Step 5: Solve for x
    x = 289,514,268,105.18/735,706.60
  6. Step 6: Final answer
    x = 393,518.65

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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.