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Finding the Fourth Proportional to 692,580.59, 955,777.26 and 434,468.40

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Solution

The fourth proportional to 692,580.59, 955,777.26 and 434,468.40 is: 599,576.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,580.59 : 955,777.26 = 434,468.40 : x
  2. Step 2: Convert to fraction form
    692,580.59/955,777.26 = 434,468.40/x
  3. Step 3: Cross multiply
    692,580.59x = 955,777.26 × 434,468.40
  4. Step 4: Simplify right side
    692,580.59x = 415,255,016,908.58
  5. Step 5: Solve for x
    x = 415,255,016,908.58/692,580.59
  6. Step 6: Final answer
    x = 599,576.46

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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.