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Finding the Fourth Proportional to 595,901.70, 893,852.55 and 427,065.30

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Solution

The fourth proportional to 595,901.70, 893,852.55 and 427,065.30 is: 640,597.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,901.70 : 893,852.55 = 427,065.30 : x
  2. Step 2: Convert to fraction form
    595,901.70/893,852.55 = 427,065.30/x
  3. Step 3: Cross multiply
    595,901.70x = 893,852.55 × 427,065.30
  4. Step 4: Simplify right side
    595,901.70x = 381,733,407,421.52
  5. Step 5: Solve for x
    x = 381,733,407,421.52/595,901.70
  6. Step 6: Final answer
    x = 640,597.95

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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.