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Finding the Fourth Proportional to 282,889.51, 390,571.82 and 175,617.16

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Solution

The fourth proportional to 282,889.51, 390,571.82 and 175,617.16 is: 242,466.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,889.51 : 390,571.82 = 175,617.16 : x
  2. Step 2: Convert to fraction form
    282,889.51/390,571.82 = 175,617.16/x
  3. Step 3: Cross multiply
    282,889.51x = 390,571.82 × 175,617.16
  4. Step 4: Simplify right side
    282,889.51x = 68,591,113,804.43
  5. Step 5: Solve for x
    x = 68,591,113,804.43/282,889.51
  6. Step 6: Final answer
    x = 242,466.09

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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.