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Finding the Fourth Proportional to 948,069.66, 1,308,311 and 560,905.06

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Solution

The fourth proportional to 948,069.66, 1,308,311 and 560,905.06 is: 774,034.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,069.66 : 1,308,311 = 560,905.06 : x
  2. Step 2: Convert to fraction form
    948,069.66/1,308,311 = 560,905.06/x
  3. Step 3: Cross multiply
    948,069.66x = 1,308,311 × 560,905.06
  4. Step 4: Simplify right side
    948,069.66x = 733,838,259,953.66
  5. Step 5: Solve for x
    x = 733,838,259,953.66/948,069.66
  6. Step 6: Final answer
    x = 774,034.11

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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.