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Finding the Fourth Proportional to 452,547, 678,907.85 and 172,042.38

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Solution

The fourth proportional to 452,547, 678,907.85 and 172,042.38 is: 258,096.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,547 : 678,907.85 = 172,042.38 : x
  2. Step 2: Convert to fraction form
    452,547/678,907.85 = 172,042.38/x
  3. Step 3: Cross multiply
    452,547x = 678,907.85 × 172,042.38
  4. Step 4: Simplify right side
    452,547x = 116,800,921,454.47
  5. Step 5: Solve for x
    x = 116,800,921,454.47/452,547
  6. Step 6: Final answer
    x = 258,096.78

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