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Finding the Fourth Proportional to 707,222.72, 975,988.47 and 435,447.40

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Solution

The fourth proportional to 707,222.72, 975,988.47 and 435,447.40 is: 600,930.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,222.72 : 975,988.47 = 435,447.40 : x
  2. Step 2: Convert to fraction form
    707,222.72/975,988.47 = 435,447.40/x
  3. Step 3: Cross multiply
    707,222.72x = 975,988.47 × 435,447.40
  4. Step 4: Simplify right side
    707,222.72x = 424,991,638,435.04
  5. Step 5: Solve for x
    x = 424,991,638,435.04/707,222.72
  6. Step 6: Final answer
    x = 600,930.41

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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.