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Finding the Fourth Proportional to 617,813.06, 852,535.25 and 376,068.77

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Solution

The fourth proportional to 617,813.06, 852,535.25 and 376,068.77 is: 518,946.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,813.06 : 852,535.25 = 376,068.77 : x
  2. Step 2: Convert to fraction form
    617,813.06/852,535.25 = 376,068.77/x
  3. Step 3: Cross multiply
    617,813.06x = 852,535.25 × 376,068.77
  4. Step 4: Simplify right side
    617,813.06x = 320,611,876,706.12
  5. Step 5: Solve for x
    x = 320,611,876,706.12/617,813.06
  6. Step 6: Final answer
    x = 518,946.42

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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.