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Finding the Fourth Proportional to 617,679.06, 926,152.26 and 191,088.51

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Solution

The fourth proportional to 617,679.06, 926,152.26 and 191,088.51 is: 286,519.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,679.06 : 926,152.26 = 191,088.51 : x
  2. Step 2: Convert to fraction form
    617,679.06/926,152.26 = 191,088.51/x
  3. Step 3: Cross multiply
    617,679.06x = 926,152.26 × 191,088.51
  4. Step 4: Simplify right side
    617,679.06x = 176,977,055,396.53
  5. Step 5: Solve for x
    x = 176,977,055,396.53/617,679.06
  6. Step 6: Final answer
    x = 286,519.44

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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.