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Finding the Fourth Proportional to 282,875.76, 390,552.84 and 175,603.41

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Solution

The fourth proportional to 282,875.76, 390,552.84 and 175,603.41 is: 242,447.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,875.76 : 390,552.84 = 175,603.41 : x
  2. Step 2: Convert to fraction form
    282,875.76/390,552.84 = 175,603.41/x
  3. Step 3: Cross multiply
    282,875.76x = 390,552.84 × 175,603.41
  4. Step 4: Simplify right side
    282,875.76x = 68,582,410,489.18
  5. Step 5: Solve for x
    x = 68,582,410,489.18/282,875.76
  6. Step 6: Final answer
    x = 242,447.11

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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.