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Finding the Fourth Proportional to 560,926.49, 774,075.49 and 306,275.85

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Solution

The fourth proportional to 560,926.49, 774,075.49 and 306,275.85 is: 422,659.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,926.49 : 774,075.49 = 306,275.85 : x
  2. Step 2: Convert to fraction form
    560,926.49/774,075.49 = 306,275.85/x
  3. Step 3: Cross multiply
    560,926.49x = 774,075.49 × 306,275.85
  4. Step 4: Simplify right side
    560,926.49x = 237,080,627,132.54
  5. Step 5: Solve for x
    x = 237,080,627,132.54/560,926.49
  6. Step 6: Final answer
    x = 422,659.00

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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.