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Finding the Fourth Proportional to 692,316.32, 955,331.74 and 401,850.83

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Solution

The fourth proportional to 692,316.32, 955,331.74 and 401,850.83 is: 554,516.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,316.32 : 955,331.74 = 401,850.83 : x
  2. Step 2: Convert to fraction form
    692,316.32/955,331.74 = 401,850.83/x
  3. Step 3: Cross multiply
    692,316.32x = 955,331.74 × 401,850.83
  4. Step 4: Simplify right side
    692,316.32x = 383,900,852,644.34
  5. Step 5: Solve for x
    x = 383,900,852,644.34/692,316.32
  6. Step 6: Final answer
    x = 554,516.54

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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.