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Finding the Fourth Proportional to 506,325.40, 758,823.72 and 372,579.40

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Solution

The fourth proportional to 506,325.40, 758,823.72 and 372,579.40 is: 558,380.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,325.40 : 758,823.72 = 372,579.40 : x
  2. Step 2: Convert to fraction form
    506,325.40/758,823.72 = 372,579.40/x
  3. Step 3: Cross multiply
    506,325.40x = 758,823.72 × 372,579.40
  4. Step 4: Simplify right side
    506,325.40x = 282,722,086,303.37
  5. Step 5: Solve for x
    x = 282,722,086,303.37/506,325.40
  6. Step 6: Final answer
    x = 558,380.22

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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.