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Finding the Fourth Proportional to 633,113.06, 873,661.41 and 346,577.72

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Solution

The fourth proportional to 633,113.06, 873,661.41 and 346,577.72 is: 478,258.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,113.06 : 873,661.41 = 346,577.72 : x
  2. Step 2: Convert to fraction form
    633,113.06/873,661.41 = 346,577.72/x
  3. Step 3: Cross multiply
    633,113.06x = 873,661.41 × 346,577.72
  4. Step 4: Simplify right side
    633,113.06x = 302,791,575,161.48
  5. Step 5: Solve for x
    x = 302,791,575,161.48/633,113.06
  6. Step 6: Final answer
    x = 478,258.30

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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.