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Finding the Fourth Proportional to 369,601.73, 554,437.61 and 103,362.20

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Solution

The fourth proportional to 369,601.73, 554,437.61 and 103,362.20 is: 155,053.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,601.73 : 554,437.61 = 103,362.20 : x
  2. Step 2: Convert to fraction form
    369,601.73/554,437.61 = 103,362.20/x
  3. Step 3: Cross multiply
    369,601.73x = 554,437.61 × 103,362.20
  4. Step 4: Simplify right side
    369,601.73x = 57,307,891,132.34
  5. Step 5: Solve for x
    x = 57,307,891,132.34/369,601.73
  6. Step 6: Final answer
    x = 155,053.09

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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.