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Finding the Fourth Proportional to 357,558.19, 493,289.22 and 230,307.64

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Solution

The fourth proportional to 357,558.19, 493,289.22 and 230,307.64 is: 317,733.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,558.19 : 493,289.22 = 230,307.64 : x
  2. Step 2: Convert to fraction form
    357,558.19/493,289.22 = 230,307.64/x
  3. Step 3: Cross multiply
    357,558.19x = 493,289.22 × 230,307.64
  4. Step 4: Simplify right side
    357,558.19x = 113,608,276,095.64
  5. Step 5: Solve for x
    x = 113,608,276,095.64/357,558.19
  6. Step 6: Final answer
    x = 317,733.67

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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.