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Finding the Fourth Proportional to 601,632.24, 830,251.72 and 329,717.20

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Solution

The fourth proportional to 601,632.24, 830,251.72 and 329,717.20 is: 455,009.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,632.24 : 830,251.72 = 329,717.20 : x
  2. Step 2: Convert to fraction form
    601,632.24/830,251.72 = 329,717.20/x
  3. Step 3: Cross multiply
    601,632.24x = 830,251.72 × 329,717.20
  4. Step 4: Simplify right side
    601,632.24x = 273,748,272,413.58
  5. Step 5: Solve for x
    x = 273,748,272,413.58/601,632.24
  6. Step 6: Final answer
    x = 455,009.31

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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.