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Finding the Fourth Proportional to 352,482.84, 528,698.12 and 112,587.06

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Solution

The fourth proportional to 352,482.84, 528,698.12 and 112,587.06 is: 168,872.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,482.84 : 528,698.12 = 112,587.06 : x
  2. Step 2: Convert to fraction form
    352,482.84/528,698.12 = 112,587.06/x
  3. Step 3: Cross multiply
    352,482.84x = 528,698.12 × 112,587.06
  4. Step 4: Simplify right side
    352,482.84x = 59,524,566,395.39
  5. Step 5: Solve for x
    x = 59,524,566,395.39/352,482.84
  6. Step 6: Final answer
    x = 168,872.24

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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.