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Finding the Fourth Proportional to 577,501.87, 796,957.62 and 319,365.40

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Solution

The fourth proportional to 577,501.87, 796,957.62 and 319,365.40 is: 440,727.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,501.87 : 796,957.62 = 319,365.40 : x
  2. Step 2: Convert to fraction form
    577,501.87/796,957.62 = 319,365.40/x
  3. Step 3: Cross multiply
    577,501.87x = 796,957.62 × 319,365.40
  4. Step 4: Simplify right side
    577,501.87x = 254,520,683,512.73
  5. Step 5: Solve for x
    x = 254,520,683,512.73/577,501.87
  6. Step 6: Final answer
    x = 440,727.03

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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.