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Finding the Fourth Proportional to 560,951.64, 774,113.22 and 306,303.03

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Solution

The fourth proportional to 560,951.64, 774,113.22 and 306,303.03 is: 422,698.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,951.64 : 774,113.22 = 306,303.03 : x
  2. Step 2: Convert to fraction form
    560,951.64/774,113.22 = 306,303.03/x
  3. Step 3: Cross multiply
    560,951.64x = 774,113.22 × 306,303.03
  4. Step 4: Simplify right side
    560,951.64x = 237,113,224,849.06
  5. Step 5: Solve for x
    x = 237,113,224,849.06/560,951.64
  6. Step 6: Final answer
    x = 422,698.16

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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.