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Finding the Fourth Proportional to 506,324.40, 758,822.22 and 372,578.40

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Solution

The fourth proportional to 506,324.40, 758,822.22 and 372,578.40 is: 558,378.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,324.40 : 758,822.22 = 372,578.40 : x
  2. Step 2: Convert to fraction form
    506,324.40/758,822.22 = 372,578.40/x
  3. Step 3: Cross multiply
    506,324.40x = 758,822.22 × 372,578.40
  4. Step 4: Simplify right side
    506,324.40x = 282,720,768,612.05
  5. Step 5: Solve for x
    x = 282,720,768,612.05/506,324.40
  6. Step 6: Final answer
    x = 558,378.72

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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.