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Finding the Fourth Proportional to 369,715.80, 554,518.20 and 116,963.45

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Solution

The fourth proportional to 369,715.80, 554,518.20 and 116,963.45 is: 175,427.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,715.80 : 554,518.20 = 116,963.45 : x
  2. Step 2: Convert to fraction form
    369,715.80/554,518.20 = 116,963.45/x
  3. Step 3: Cross multiply
    369,715.80x = 554,518.20 × 116,963.45
  4. Step 4: Simplify right side
    369,715.80x = 64,858,358,402.38
  5. Step 5: Solve for x
    x = 64,858,358,402.38/369,715.80
  6. Step 6: Final answer
    x = 175,427.61

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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.