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Finding the Fourth Proportional to 385,503.88, 577,944.06 and 161,036.23

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Solution

The fourth proportional to 385,503.88, 577,944.06 and 161,036.23 is: 241,424.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,503.88 : 577,944.06 = 161,036.23 : x
  2. Step 2: Convert to fraction form
    385,503.88/577,944.06 = 161,036.23/x
  3. Step 3: Cross multiply
    385,503.88x = 577,944.06 × 161,036.23
  4. Step 4: Simplify right side
    385,503.88x = 93,069,932,573.29
  5. Step 5: Solve for x
    x = 93,069,932,573.29/385,503.88
  6. Step 6: Final answer
    x = 241,424.11

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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.