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Finding the Fourth Proportional to 633,040.12, 873,615.06 and 346,586.92

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Solution

The fourth proportional to 633,040.12, 873,615.06 and 346,586.92 is: 478,300.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,040.12 : 873,615.06 = 346,586.92 : x
  2. Step 2: Convert to fraction form
    633,040.12/873,615.06 = 346,586.92/x
  3. Step 3: Cross multiply
    633,040.12x = 873,615.06 × 346,586.92
  4. Step 4: Simplify right side
    633,040.12x = 302,783,552,911.02
  5. Step 5: Solve for x
    x = 302,783,552,911.02/633,040.12
  6. Step 6: Final answer
    x = 478,300.73

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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.