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Finding the Fourth Proportional to 705,613.08, 973,754.37 and 383,328.27

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Solution

The fourth proportional to 705,613.08, 973,754.37 and 383,328.27 is: 528,997.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,613.08 : 973,754.37 = 383,328.27 : x
  2. Step 2: Convert to fraction form
    705,613.08/973,754.37 = 383,328.27/x
  3. Step 3: Cross multiply
    705,613.08x = 973,754.37 × 383,328.27
  4. Step 4: Simplify right side
    705,613.08x = 373,267,578,057.04
  5. Step 5: Solve for x
    x = 373,267,578,057.04/705,613.08
  6. Step 6: Final answer
    x = 528,997.53

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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.