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Finding the Fourth Proportional to 456,124.60, 683,409.30 and 376,809.40

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Solution

The fourth proportional to 456,124.60, 683,409.30 and 376,809.40 is: 564,571.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,124.60 : 683,409.30 = 376,809.40 : x
  2. Step 2: Convert to fraction form
    456,124.60/683,409.30 = 376,809.40/x
  3. Step 3: Cross multiply
    456,124.60x = 683,409.30 × 376,809.40
  4. Step 4: Simplify right side
    456,124.60x = 257,515,048,287.42
  5. Step 5: Solve for x
    x = 257,515,048,287.42/456,124.60
  6. Step 6: Final answer
    x = 564,571.72

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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.