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Finding the Fourth Proportional to 707,224.80, 1,059,670.80 and 606,914.40

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Solution

The fourth proportional to 707,224.80, 1,059,670.80 and 606,914.40 is: 909,370.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,224.80 : 1,059,670.80 = 606,914.40 : x
  2. Step 2: Convert to fraction form
    707,224.80/1,059,670.80 = 606,914.40/x
  3. Step 3: Cross multiply
    707,224.80x = 1,059,670.80 × 606,914.40
  4. Step 4: Simplify right side
    707,224.80x = 643,129,467,779.52
  5. Step 5: Solve for x
    x = 643,129,467,779.52/707,224.80
  6. Step 6: Final answer
    x = 909,370.64

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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.