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Finding the Fourth Proportional to 702,437.04, 1,053,009.70 and 253,048.01

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Solution

The fourth proportional to 702,437.04, 1,053,009.70 and 253,048.01 is: 379,339.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,437.04 : 1,053,009.70 = 253,048.01 : x
  2. Step 2: Convert to fraction form
    702,437.04/1,053,009.70 = 253,048.01/x
  3. Step 3: Cross multiply
    702,437.04x = 1,053,009.70 × 253,048.01
  4. Step 4: Simplify right side
    702,437.04x = 266,462,003,198.03
  5. Step 5: Solve for x
    x = 266,462,003,198.03/702,437.04
  6. Step 6: Final answer
    x = 379,339.34

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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.