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Finding the Fourth Proportional to 707,431.60, 1,058,814.60 and 497,479.60

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Solution

The fourth proportional to 707,431.60, 1,058,814.60 and 497,479.60 is: 744,578.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,431.60 : 1,058,814.60 = 497,479.60 : x
  2. Step 2: Convert to fraction form
    707,431.60/1,058,814.60 = 497,479.60/x
  3. Step 3: Cross multiply
    707,431.60x = 1,058,814.60 × 497,479.60
  4. Step 4: Simplify right side
    707,431.60x = 526,738,663,682.16
  5. Step 5: Solve for x
    x = 526,738,663,682.16/707,431.60
  6. Step 6: Final answer
    x = 744,578.93

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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.