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Finding the Fourth Proportional to 601,391.18, 829,884.96 and 329,411.72

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Solution

The fourth proportional to 601,391.18, 829,884.96 and 329,411.72 is: 454,569.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,391.18 : 829,884.96 = 329,411.72 : x
  2. Step 2: Convert to fraction form
    601,391.18/829,884.96 = 329,411.72/x
  3. Step 3: Cross multiply
    601,391.18x = 829,884.96 × 329,411.72
  4. Step 4: Simplify right side
    601,391.18x = 273,373,832,075.73
  5. Step 5: Solve for x
    x = 273,373,832,075.73/601,391.18
  6. Step 6: Final answer
    x = 454,569.07

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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.