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Finding the Fourth Proportional to 735,662.80, 1,102,674.07 and 286,234.30

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Solution

The fourth proportional to 735,662.80, 1,102,674.07 and 286,234.30 is: 429,032.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,662.80 : 1,102,674.07 = 286,234.30 : x
  2. Step 2: Convert to fraction form
    735,662.80/1,102,674.07 = 286,234.30/x
  3. Step 3: Cross multiply
    735,662.80x = 1,102,674.07 × 286,234.30
  4. Step 4: Simplify right side
    735,662.80x = 315,623,140,554.60
  5. Step 5: Solve for x
    x = 315,623,140,554.60/735,662.80
  6. Step 6: Final answer
    x = 429,032.35

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Double scale
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1.5x scale

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.