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Finding the Fourth Proportional to 524,586.60, 788,435.10 and 456,157.80

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Solution

The fourth proportional to 524,586.60, 788,435.10 and 456,157.80 is: 685,589.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,586.60 : 788,435.10 = 456,157.80 : x
  2. Step 2: Convert to fraction form
    524,586.60/788,435.10 = 456,157.80/x
  3. Step 3: Cross multiply
    524,586.60x = 788,435.10 × 456,157.80
  4. Step 4: Simplify right side
    524,586.60x = 359,650,820,658.78
  5. Step 5: Solve for x
    x = 359,650,820,658.78/524,586.60
  6. Step 6: Final answer
    x = 685,589.03

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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.