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Finding the Fourth Proportional to 559,617.06, 772,271.67 and 304,968.30

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Solution

The fourth proportional to 559,617.06, 772,271.67 and 304,968.30 is: 420,856.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,617.06 : 772,271.67 = 304,968.30 : x
  2. Step 2: Convert to fraction form
    559,617.06/772,271.67 = 304,968.30/x
  3. Step 3: Cross multiply
    559,617.06x = 772,271.67 × 304,968.30
  4. Step 4: Simplify right side
    559,617.06x = 235,518,378,338.06
  5. Step 5: Solve for x
    x = 235,518,378,338.06/559,617.06
  6. Step 6: Final answer
    x = 420,856.32

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1.5x scale

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.