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Finding the Fourth Proportional to 617,289.49, 926,022.95 and 190,858.58

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Solution

The fourth proportional to 617,289.49, 926,022.95 and 190,858.58 is: 286,315.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,289.49 : 926,022.95 = 190,858.58 : x
  2. Step 2: Convert to fraction form
    617,289.49/926,022.95 = 190,858.58/x
  3. Step 3: Cross multiply
    617,289.49x = 926,022.95 × 190,858.58
  4. Step 4: Simplify right side
    617,289.49x = 176,739,423,888.31
  5. Step 5: Solve for x
    x = 176,739,423,888.31/617,289.49
  6. Step 6: Final answer
    x = 286,315.30

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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.