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Finding the Fourth Proportional to 633,031.70, 873,583.72 and 346,551.79

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Solution

The fourth proportional to 633,031.70, 873,583.72 and 346,551.79 is: 478,241.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,031.70 : 873,583.72 = 346,551.79 : x
  2. Step 2: Convert to fraction form
    633,031.70/873,583.72 = 346,551.79/x
  3. Step 3: Cross multiply
    633,031.70x = 873,583.72 × 346,551.79
  4. Step 4: Simplify right side
    633,031.70x = 302,742,001,880.86
  5. Step 5: Solve for x
    x = 302,742,001,880.86/633,031.70
  6. Step 6: Final answer
    x = 478,241.46

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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.