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Finding the Fourth Proportional to 707,412.56, 975,940.32 and 435,398.48

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Solution

The fourth proportional to 707,412.56, 975,940.32 and 435,398.48 is: 600,672.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,412.56 : 975,940.32 = 435,398.48 : x
  2. Step 2: Convert to fraction form
    707,412.56/975,940.32 = 435,398.48/x
  3. Step 3: Cross multiply
    707,412.56x = 975,940.32 × 435,398.48
  4. Step 4: Simplify right side
    707,412.56x = 424,922,931,898.71
  5. Step 5: Solve for x
    x = 424,922,931,898.71/707,412.56
  6. Step 6: Final answer
    x = 600,672.02

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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.