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Finding the Fourth Proportional to 369,737.07, 554,605.60 and 120,419.07

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Solution

The fourth proportional to 369,737.07, 554,605.60 and 120,419.07 is: 180,628.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,737.07 : 554,605.60 = 120,419.07 : x
  2. Step 2: Convert to fraction form
    369,737.07/554,605.60 = 120,419.07/x
  3. Step 3: Cross multiply
    369,737.07x = 554,605.60 × 120,419.07
  4. Step 4: Simplify right side
    369,737.07x = 66,785,090,568.79
  5. Step 5: Solve for x
    x = 66,785,090,568.79/369,737.07
  6. Step 6: Final answer
    x = 180,628.60

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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.