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Finding the Fourth Proportional to 1,295,927.52, 1,943,669.72 and 349,076.80

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Solution

The fourth proportional to 1,295,927.52, 1,943,669.72 and 349,076.80 is: 523,555.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,927.52 : 1,943,669.72 = 349,076.80 : x
  2. Step 2: Convert to fraction form
    1,295,927.52/1,943,669.72 = 349,076.80/x
  3. Step 3: Cross multiply
    1,295,927.52x = 1,943,669.72 × 349,076.80
  4. Step 4: Simplify right side
    1,295,927.52x = 678,490,006,114.50
  5. Step 5: Solve for x
    x = 678,490,006,114.50/1,295,927.52
  6. Step 6: Final answer
    x = 523,555.52

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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.