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Finding the Fourth Proportional to 601,393.94, 901,131.32 and 440,725.24

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Solution

The fourth proportional to 601,393.94, 901,131.32 and 440,725.24 is: 660,384.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,393.94 : 901,131.32 = 440,725.24 : x
  2. Step 2: Convert to fraction form
    601,393.94/901,131.32 = 440,725.24/x
  3. Step 3: Cross multiply
    601,393.94x = 901,131.32 × 440,725.24
  4. Step 4: Simplify right side
    601,393.94x = 397,151,316,127.50
  5. Step 5: Solve for x
    x = 397,151,316,127.50/601,393.94
  6. Step 6: Final answer
    x = 660,384.64

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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.