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Finding the Fourth Proportional to 616,751.65, 925,214.44 and 190,322.18

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Solution

The fourth proportional to 616,751.65, 925,214.44 and 190,322.18 is: 285,510.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,751.65 : 925,214.44 = 190,322.18 : x
  2. Step 2: Convert to fraction form
    616,751.65/925,214.44 = 190,322.18/x
  3. Step 3: Cross multiply
    616,751.65x = 925,214.44 × 190,322.18
  4. Step 4: Simplify right side
    616,751.65x = 176,088,831,025.51
  5. Step 5: Solve for x
    x = 176,088,831,025.51/616,751.65
  6. Step 6: Final answer
    x = 285,510.11

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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.