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Finding the Fourth Proportional to 250,880.08, 346,376.64 and 155,488

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Solution

The fourth proportional to 250,880.08, 346,376.64 and 155,488 is: 214,673.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,880.08 : 346,376.64 = 155,488 : x
  2. Step 2: Convert to fraction form
    250,880.08/346,376.64 = 155,488/x
  3. Step 3: Cross multiply
    250,880.08x = 346,376.64 × 155,488
  4. Step 4: Simplify right side
    250,880.08x = 53,857,411,000.32
  5. Step 5: Solve for x
    x = 53,857,411,000.32/250,880.08
  6. Step 6: Final answer
    x = 214,673.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.