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Finding the Fourth Proportional to 608,881.62, 913,303.50 and 289,263.50

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Solution

The fourth proportional to 608,881.62, 913,303.50 and 289,263.50 is: 433,886.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,881.62 : 913,303.50 = 289,263.50 : x
  2. Step 2: Convert to fraction form
    608,881.62/913,303.50 = 289,263.50/x
  3. Step 3: Cross multiply
    608,881.62x = 913,303.50 × 289,263.50
  4. Step 4: Simplify right side
    608,881.62x = 264,185,366,972.25
  5. Step 5: Solve for x
    x = 264,185,366,972.25/608,881.62
  6. Step 6: Final answer
    x = 433,886.26

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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.