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Finding the Fourth Proportional to 579,852.40, 869,087.40 and 242,892.40

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Solution

The fourth proportional to 579,852.40, 869,087.40 and 242,892.40 is: 364,049.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,852.40 : 869,087.40 = 242,892.40 : x
  2. Step 2: Convert to fraction form
    579,852.40/869,087.40 = 242,892.40/x
  3. Step 3: Cross multiply
    579,852.40x = 869,087.40 × 242,892.40
  4. Step 4: Simplify right side
    579,852.40x = 211,094,724,395.76
  5. Step 5: Solve for x
    x = 211,094,724,395.76/579,852.40
  6. Step 6: Final answer
    x = 364,049.07

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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.