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Finding the Fourth Proportional to 345,818.75, 477,623.54 and 232,444.67

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Solution

The fourth proportional to 345,818.75, 477,623.54 and 232,444.67 is: 321,038.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,818.75 : 477,623.54 = 232,444.67 : x
  2. Step 2: Convert to fraction form
    345,818.75/477,623.54 = 232,444.67/x
  3. Step 3: Cross multiply
    345,818.75x = 477,623.54 × 232,444.67
  4. Step 4: Simplify right side
    345,818.75x = 111,021,044,977.31
  5. Step 5: Solve for x
    x = 111,021,044,977.31/345,818.75
  6. Step 6: Final answer
    x = 321,038.25

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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.