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Finding the Fourth Proportional to 692,533.50, 955,712.34 and 434,421.33

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Solution

The fourth proportional to 692,533.50, 955,712.34 and 434,421.33 is: 599,511.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,533.50 : 955,712.34 = 434,421.33 : x
  2. Step 2: Convert to fraction form
    692,533.50/955,712.34 = 434,421.33/x
  3. Step 3: Cross multiply
    692,533.50x = 955,712.34 × 434,421.33
  4. Step 4: Simplify right side
    692,533.50x = 415,181,825,840.21
  5. Step 5: Solve for x
    x = 415,181,825,840.21/692,533.50
  6. Step 6: Final answer
    x = 599,511.54

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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.