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Finding the Fourth Proportional to 633,446.48, 874,156.52 and 346,971.36

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Solution

The fourth proportional to 633,446.48, 874,156.52 and 346,971.36 is: 478,820.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,446.48 : 874,156.52 = 346,971.36 : x
  2. Step 2: Convert to fraction form
    633,446.48/874,156.52 = 346,971.36/x
  3. Step 3: Cross multiply
    633,446.48x = 874,156.52 × 346,971.36
  4. Step 4: Simplify right side
    633,446.48x = 303,307,276,597.27
  5. Step 5: Solve for x
    x = 303,307,276,597.27/633,446.48
  6. Step 6: Final answer
    x = 478,820.68

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1.5x scale

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.