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Finding the Fourth Proportional to 601,572.75, 830,170.40 and 359,865.51

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Solution

The fourth proportional to 601,572.75, 830,170.40 and 359,865.51 is: 496,614.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,572.75 : 830,170.40 = 359,865.51 : x
  2. Step 2: Convert to fraction form
    601,572.75/830,170.40 = 359,865.51/x
  3. Step 3: Cross multiply
    601,572.75x = 830,170.40 × 359,865.51
  4. Step 4: Simplify right side
    601,572.75x = 298,749,692,583.58
  5. Step 5: Solve for x
    x = 298,749,692,583.58/601,572.75
  6. Step 6: Final answer
    x = 496,614.40

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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.