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Finding the Fourth Proportional to 692,199.54, 955,233.59 and 386,272.67

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Solution

The fourth proportional to 692,199.54, 955,233.59 and 386,272.67 is: 533,055.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,199.54 : 955,233.59 = 386,272.67 : x
  2. Step 2: Convert to fraction form
    692,199.54/955,233.59 = 386,272.67/x
  3. Step 3: Cross multiply
    692,199.54x = 955,233.59 × 386,272.67
  4. Step 4: Simplify right side
    692,199.54x = 368,980,622,575.45
  5. Step 5: Solve for x
    x = 368,980,622,575.45/692,199.54
  6. Step 6: Final answer
    x = 533,055.28

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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.