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Finding the Fourth Proportional to 440,573.60, 607,945.88 and 259,274.72

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Solution

The fourth proportional to 440,573.60, 607,945.88 and 259,274.72 is: 357,772.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,573.60 : 607,945.88 = 259,274.72 : x
  2. Step 2: Convert to fraction form
    440,573.60/607,945.88 = 259,274.72/x
  3. Step 3: Cross multiply
    440,573.60x = 607,945.88 × 259,274.72
  4. Step 4: Simplify right side
    440,573.60x = 157,624,999,980.21
  5. Step 5: Solve for x
    x = 157,624,999,980.21/440,573.60
  6. Step 6: Final answer
    x = 357,772.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.