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Finding the Fourth Proportional to 565,004.54, 779,711.99 and 306,883.98

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Solution

The fourth proportional to 565,004.54, 779,711.99 and 306,883.98 is: 423,503.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,004.54 : 779,711.99 = 306,883.98 : x
  2. Step 2: Convert to fraction form
    565,004.54/779,711.99 = 306,883.98/x
  3. Step 3: Cross multiply
    565,004.54x = 779,711.99 × 306,883.98
  4. Step 4: Simplify right side
    565,004.54x = 239,281,117,210.50
  5. Step 5: Solve for x
    x = 239,281,117,210.50/565,004.54
  6. Step 6: Final answer
    x = 423,503.00

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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.