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Finding the Fourth Proportional to 908,672.70, 1,363,009.05 and 731,525.70

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Solution

The fourth proportional to 908,672.70, 1,363,009.05 and 731,525.70 is: 1,097,288.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,672.70 : 1,363,009.05 = 731,525.70 : x
  2. Step 2: Convert to fraction form
    908,672.70/1,363,009.05 = 731,525.70/x
  3. Step 3: Cross multiply
    908,672.70x = 1,363,009.05 × 731,525.70
  4. Step 4: Simplify right side
    908,672.70x = 997,076,149,407.59
  5. Step 5: Solve for x
    x = 997,076,149,407.59/908,672.70
  6. Step 6: Final answer
    x = 1,097,288.55

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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.