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Finding the Fourth Proportional to 531,150.94, 732,965.25 and 301,707.51

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Solution

The fourth proportional to 531,150.94, 732,965.25 and 301,707.51 is: 416,343.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,150.94 : 732,965.25 = 301,707.51 : x
  2. Step 2: Convert to fraction form
    531,150.94/732,965.25 = 301,707.51/x
  3. Step 3: Cross multiply
    531,150.94x = 732,965.25 × 301,707.51
  4. Step 4: Simplify right side
    531,150.94x = 221,141,120,494.03
  5. Step 5: Solve for x
    x = 221,141,120,494.03/531,150.94
  6. Step 6: Final answer
    x = 416,343.27

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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.