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Finding the Fourth Proportional to 601,528.50, 830,109.51 and 359,821.26

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Solution

The fourth proportional to 601,528.50, 830,109.51 and 359,821.26 is: 496,553.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,528.50 : 830,109.51 = 359,821.26 : x
  2. Step 2: Convert to fraction form
    601,528.50/830,109.51 = 359,821.26/x
  3. Step 3: Cross multiply
    601,528.50x = 830,109.51 × 359,821.26
  4. Step 4: Simplify right side
    601,528.50x = 298,691,049,826.18
  5. Step 5: Solve for x
    x = 298,691,049,826.18/601,528.50
  6. Step 6: Final answer
    x = 496,553.45

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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.