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Finding the Fourth Proportional to 260,064.70, 390,097.05 and 242,568.70

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Solution

The fourth proportional to 260,064.70, 390,097.05 and 242,568.70 is: 363,853.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,064.70 : 390,097.05 = 242,568.70 : x
  2. Step 2: Convert to fraction form
    260,064.70/390,097.05 = 242,568.70/x
  3. Step 3: Cross multiply
    260,064.70x = 390,097.05 × 242,568.70
  4. Step 4: Simplify right side
    260,064.70x = 94,625,334,292.34
  5. Step 5: Solve for x
    x = 94,625,334,292.34/260,064.70
  6. Step 6: Final answer
    x = 363,853.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.