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Finding the Fourth Proportional to 607,663.60, 910,912.20 and 472,652.80

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Solution

The fourth proportional to 607,663.60, 910,912.20 and 472,652.80 is: 708,525.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,663.60 : 910,912.20 = 472,652.80 : x
  2. Step 2: Convert to fraction form
    607,663.60/910,912.20 = 472,652.80/x
  3. Step 3: Cross multiply
    607,663.60x = 910,912.20 × 472,652.80
  4. Step 4: Simplify right side
    607,663.60x = 430,545,201,884.16
  5. Step 5: Solve for x
    x = 430,545,201,884.16/607,663.60
  6. Step 6: Final answer
    x = 708,525.58

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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.