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Finding the Fourth Proportional to 506,478.72, 758,069.76 and 373,305.60

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Solution

The fourth proportional to 506,478.72, 758,069.76 and 373,305.60 is: 558,743.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,478.72 : 758,069.76 = 373,305.60 : x
  2. Step 2: Convert to fraction form
    506,478.72/758,069.76 = 373,305.60/x
  3. Step 3: Cross multiply
    506,478.72x = 758,069.76 × 373,305.60
  4. Step 4: Simplify right side
    506,478.72x = 282,991,686,598.66
  5. Step 5: Solve for x
    x = 282,991,686,598.66/506,478.72
  6. Step 6: Final answer
    x = 558,743.49

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.