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Finding the Fourth Proportional to 707,051.48, 975,751.38 and 384,782.00

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Solution

The fourth proportional to 707,051.48, 975,751.38 and 384,782.00 is: 531,010.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,051.48 : 975,751.38 = 384,782.00 : x
  2. Step 2: Convert to fraction form
    707,051.48/975,751.38 = 384,782.00/x
  3. Step 3: Cross multiply
    707,051.48x = 975,751.38 × 384,782.00
  4. Step 4: Simplify right side
    707,051.48x = 375,451,562,620.40
  5. Step 5: Solve for x
    x = 375,451,562,620.40/707,051.48
  6. Step 6: Final answer
    x = 531,010.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.