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Finding the Fourth Proportional to 282,891.51, 390,574.58 and 175,619.16

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Solution

The fourth proportional to 282,891.51, 390,574.58 and 175,619.16 is: 242,468.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,891.51 : 390,574.58 = 175,619.16 : x
  2. Step 2: Convert to fraction form
    282,891.51/390,574.58 = 175,619.16/x
  3. Step 3: Cross multiply
    282,891.51x = 390,574.58 × 175,619.16
  4. Step 4: Simplify right side
    282,891.51x = 68,592,379,656.95
  5. Step 5: Solve for x
    x = 68,592,379,656.95/282,891.51
  6. Step 6: Final answer
    x = 242,468.85

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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.