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Finding the Fourth Proportional to 601,390.18, 829,883.58 and 329,410.72

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Solution

The fourth proportional to 601,390.18, 829,883.58 and 329,410.72 is: 454,567.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,390.18 : 829,883.58 = 329,410.72 : x
  2. Step 2: Convert to fraction form
    601,390.18/829,883.58 = 329,410.72/x
  3. Step 3: Cross multiply
    601,390.18x = 829,883.58 × 329,410.72
  4. Step 4: Simplify right side
    601,390.18x = 273,372,549,740.09
  5. Step 5: Solve for x
    x = 273,372,549,740.09/601,390.18
  6. Step 6: Final answer
    x = 454,567.70

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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.