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Finding the Fourth Proportional to 608,094.40, 910,759.20 and 384,145.60

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Solution

The fourth proportional to 608,094.40, 910,759.20 and 384,145.60 is: 575,345.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,094.40 : 910,759.20 = 384,145.60 : x
  2. Step 2: Convert to fraction form
    608,094.40/910,759.20 = 384,145.60/x
  3. Step 3: Cross multiply
    608,094.40x = 910,759.20 × 384,145.60
  4. Step 4: Simplify right side
    608,094.40x = 349,864,139,339.52
  5. Step 5: Solve for x
    x = 349,864,139,339.52/608,094.40
  6. Step 6: Final answer
    x = 575,345.11

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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.