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Finding the Fourth Proportional to 535,661.17, 802,931.10 and 180,552.45

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Solution

The fourth proportional to 535,661.17, 802,931.10 and 180,552.45 is: 270,639.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,661.17 : 802,931.10 = 180,552.45 : x
  2. Step 2: Convert to fraction form
    535,661.17/802,931.10 = 180,552.45/x
  3. Step 3: Cross multiply
    535,661.17x = 802,931.10 × 180,552.45
  4. Step 4: Simplify right side
    535,661.17x = 144,971,177,286.20
  5. Step 5: Solve for x
    x = 144,971,177,286.20/535,661.17
  6. Step 6: Final answer
    x = 270,639.70

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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.