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Finding the Fourth Proportional to 692,577.34, 955,772.78 and 434,465.15

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Solution

The fourth proportional to 692,577.34, 955,772.78 and 434,465.15 is: 599,571.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,577.34 : 955,772.78 = 434,465.15 : x
  2. Step 2: Convert to fraction form
    692,577.34/955,772.78 = 434,465.15/x
  3. Step 3: Cross multiply
    692,577.34x = 955,772.78 × 434,465.15
  4. Step 4: Simplify right side
    692,577.34x = 415,249,957,277.43
  5. Step 5: Solve for x
    x = 415,249,957,277.43/692,577.34
  6. Step 6: Final answer
    x = 599,571.97

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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.