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Finding the Fourth Proportional to 429,586.61, 592,763.70 and 248,263.56

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Solution

The fourth proportional to 429,586.61, 592,763.70 and 248,263.56 is: 342,565.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,586.61 : 592,763.70 = 248,263.56 : x
  2. Step 2: Convert to fraction form
    429,586.61/592,763.70 = 248,263.56/x
  3. Step 3: Cross multiply
    429,586.61x = 592,763.70 × 248,263.56
  4. Step 4: Simplify right side
    429,586.61x = 147,161,626,400.77
  5. Step 5: Solve for x
    x = 147,161,626,400.77/429,586.61
  6. Step 6: Final answer
    x = 342,565.67

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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.