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Finding the Fourth Proportional to 536,586.48, 740,114.42 and 455,454.24

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Solution

The fourth proportional to 536,586.48, 740,114.42 and 455,454.24 is: 628,208.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,586.48 : 740,114.42 = 455,454.24 : x
  2. Step 2: Convert to fraction form
    536,586.48/740,114.42 = 455,454.24/x
  3. Step 3: Cross multiply
    536,586.48x = 740,114.42 × 455,454.24
  4. Step 4: Simplify right side
    536,586.48x = 337,088,250,674.14
  5. Step 5: Solve for x
    x = 337,088,250,674.14/536,586.48
  6. Step 6: Final answer
    x = 628,208.62

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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.