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Finding the Fourth Proportional to 357,263.50, 492,922.62 and 230,012.76

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Solution

The fourth proportional to 357,263.50, 492,922.62 and 230,012.76 is: 317,352.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,263.50 : 492,922.62 = 230,012.76 : x
  2. Step 2: Convert to fraction form
    357,263.50/492,922.62 = 230,012.76/x
  3. Step 3: Cross multiply
    357,263.50x = 492,922.62 × 230,012.76
  4. Step 4: Simplify right side
    357,263.50x = 113,378,492,292.63
  5. Step 5: Solve for x
    x = 113,378,492,292.63/357,263.50
  6. Step 6: Final answer
    x = 317,352.58

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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.