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Finding the Fourth Proportional to 492,750.30, 738,952.65 and 256,014.30

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Solution

The fourth proportional to 492,750.30, 738,952.65 and 256,014.30 is: 383,931.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,750.30 : 738,952.65 = 256,014.30 : x
  2. Step 2: Convert to fraction form
    492,750.30/738,952.65 = 256,014.30/x
  3. Step 3: Cross multiply
    492,750.30x = 738,952.65 × 256,014.30
  4. Step 4: Simplify right side
    492,750.30x = 189,182,445,422.90
  5. Step 5: Solve for x
    x = 189,182,445,422.90/492,750.30
  6. Step 6: Final answer
    x = 383,931.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.