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Finding the Fourth Proportional to 693,511.22, 956,775.16 and 435,237.46

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Solution

The fourth proportional to 693,511.22, 956,775.16 and 435,237.46 is: 600,458.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,511.22 : 956,775.16 = 435,237.46 : x
  2. Step 2: Convert to fraction form
    693,511.22/956,775.16 = 435,237.46/x
  3. Step 3: Cross multiply
    693,511.22x = 956,775.16 × 435,237.46
  4. Step 4: Simplify right side
    693,511.22x = 416,424,390,429.49
  5. Step 5: Solve for x
    x = 416,424,390,429.49/693,511.22
  6. Step 6: Final answer
    x = 600,458.04

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1.5x scale

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.