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Finding the Fourth Proportional to 506,350.40, 758,861.12 and 372,604.40

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Solution

The fourth proportional to 506,350.40, 758,861.12 and 372,604.40 is: 558,417.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,350.40 : 758,861.12 = 372,604.40 : x
  2. Step 2: Convert to fraction form
    506,350.40/758,861.12 = 372,604.40/x
  3. Step 3: Cross multiply
    506,350.40x = 758,861.12 × 372,604.40
  4. Step 4: Simplify right side
    506,350.40x = 282,754,992,300.93
  5. Step 5: Solve for x
    x = 282,754,992,300.93/506,350.40
  6. Step 6: Final answer
    x = 558,417.63

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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.