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Finding the Fourth Proportional to 617,570, 852,269.64 and 349,292.24

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Solution

The fourth proportional to 617,570, 852,269.64 and 349,292.24 is: 482,036.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,570 : 852,269.64 = 349,292.24 : x
  2. Step 2: Convert to fraction form
    617,570/852,269.64 = 349,292.24/x
  3. Step 3: Cross multiply
    617,570x = 852,269.64 × 349,292.24
  4. Step 4: Simplify right side
    617,570x = 297,691,171,639.59
  5. Step 5: Solve for x
    x = 297,691,171,639.59/617,570
  6. Step 6: Final answer
    x = 482,036.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.