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Finding the Fourth Proportional to 617,482.80, 852,293.88 and 362,915.76

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Solution

The fourth proportional to 617,482.80, 852,293.88 and 362,915.76 is: 500,922.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,482.80 : 852,293.88 = 362,915.76 : x
  2. Step 2: Convert to fraction form
    617,482.80/852,293.88 = 362,915.76/x
  3. Step 3: Cross multiply
    617,482.80x = 852,293.88 × 362,915.76
  4. Step 4: Simplify right side
    617,482.80x = 309,310,881,203.55
  5. Step 5: Solve for x
    x = 309,310,881,203.55/617,482.80
  6. Step 6: Final answer
    x = 500,922.26

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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.