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Finding the Fourth Proportional to 623,461.66, 859,802.34 and 467,791.00

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Solution

The fourth proportional to 623,461.66, 859,802.34 and 467,791.00 is: 645,120.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,461.66 : 859,802.34 = 467,791.00 : x
  2. Step 2: Convert to fraction form
    623,461.66/859,802.34 = 467,791.00/x
  3. Step 3: Cross multiply
    623,461.66x = 859,802.34 × 467,791.00
  4. Step 4: Simplify right side
    623,461.66x = 402,207,796,035.65
  5. Step 5: Solve for x
    x = 402,207,796,035.65/623,461.66
  6. Step 6: Final answer
    x = 645,120.34

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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.