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Finding the Fourth Proportional to 909,237.60, 1,364,682.60 and 460,270.80

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Solution

The fourth proportional to 909,237.60, 1,364,682.60 and 460,270.80 is: 690,824.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,237.60 : 1,364,682.60 = 460,270.80 : x
  2. Step 2: Convert to fraction form
    909,237.60/1,364,682.60 = 460,270.80/x
  3. Step 3: Cross multiply
    909,237.60x = 1,364,682.60 × 460,270.80
  4. Step 4: Simplify right side
    909,237.60x = 628,123,552,048.08
  5. Step 5: Solve for x
    x = 628,123,552,048.08/909,237.60
  6. Step 6: Final answer
    x = 690,824.44

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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.