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Finding the Fourth Proportional to 352,547.16, 528,819.84 and 127,907.16

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Solution

The fourth proportional to 352,547.16, 528,819.84 and 127,907.16 is: 191,860.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,547.16 : 528,819.84 = 127,907.16 : x
  2. Step 2: Convert to fraction form
    352,547.16/528,819.84 = 127,907.16/x
  3. Step 3: Cross multiply
    352,547.16x = 528,819.84 × 127,907.16
  4. Step 4: Simplify right side
    352,547.16x = 67,639,843,886.05
  5. Step 5: Solve for x
    x = 67,639,843,886.05/352,547.16
  6. Step 6: Final answer
    x = 191,860.41

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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.