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Finding the Fourth Proportional to 632,882.35, 873,376.18 and 346,399.93

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Solution

The fourth proportional to 632,882.35, 873,376.18 and 346,399.93 is: 478,031.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,882.35 : 873,376.18 = 346,399.93 : x
  2. Step 2: Convert to fraction form
    632,882.35/873,376.18 = 346,399.93/x
  3. Step 3: Cross multiply
    632,882.35x = 873,376.18 × 346,399.93
  4. Step 4: Simplify right side
    632,882.35x = 302,537,447,615.67
  5. Step 5: Solve for x
    x = 302,537,447,615.67/632,882.35
  6. Step 6: Final answer
    x = 478,031.10

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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.