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Finding the Fourth Proportional to 590,696.32, 815,160.80 and 322,424.32

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Solution

The fourth proportional to 590,696.32, 815,160.80 and 322,424.32 is: 444,945.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,696.32 : 815,160.80 = 322,424.32 : x
  2. Step 2: Convert to fraction form
    590,696.32/815,160.80 = 322,424.32/x
  3. Step 3: Cross multiply
    590,696.32x = 815,160.80 × 322,424.32
  4. Step 4: Simplify right side
    590,696.32x = 262,827,666,630.66
  5. Step 5: Solve for x
    x = 262,827,666,630.66/590,696.32
  6. Step 6: Final answer
    x = 444,945.50

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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.