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Finding the Fourth Proportional to 632,888.35, 873,384.46 and 346,405.93

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Solution

The fourth proportional to 632,888.35, 873,384.46 and 346,405.93 is: 478,039.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,888.35 : 873,384.46 = 346,405.93 : x
  2. Step 2: Convert to fraction form
    632,888.35/873,384.46 = 346,405.93/x
  3. Step 3: Cross multiply
    632,888.35x = 873,384.46 × 346,405.93
  4. Step 4: Simplify right side
    632,888.35x = 302,545,556,113.85
  5. Step 5: Solve for x
    x = 302,545,556,113.85/632,888.35
  6. Step 6: Final answer
    x = 478,039.38

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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.