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Finding the Fourth Proportional to 707,225.17, 975,991.86 and 435,449.86

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Solution

The fourth proportional to 707,225.17, 975,991.86 and 435,449.86 is: 600,933.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,225.17 : 975,991.86 = 435,449.86 : x
  2. Step 2: Convert to fraction form
    707,225.17/975,991.86 = 435,449.86/x
  3. Step 3: Cross multiply
    707,225.17x = 975,991.86 × 435,449.86
  4. Step 4: Simplify right side
    707,225.17x = 424,995,518,798.14
  5. Step 5: Solve for x
    x = 424,995,518,798.14/707,225.17
  6. Step 6: Final answer
    x = 600,933.81

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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.