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Finding the Fourth Proportional to 577,223.94, 796,500.02 and 319,066

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Solution

The fourth proportional to 577,223.94, 796,500.02 and 319,066 is: 440,272.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,223.94 : 796,500.02 = 319,066 : x
  2. Step 2: Convert to fraction form
    577,223.94/796,500.02 = 319,066/x
  3. Step 3: Cross multiply
    577,223.94x = 796,500.02 × 319,066
  4. Step 4: Simplify right side
    577,223.94x = 254,136,075,381.32
  5. Step 5: Solve for x
    x = 254,136,075,381.32/577,223.94
  6. Step 6: Final answer
    x = 440,272.93

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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.