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Finding the Fourth Proportional to 637,456.84, 955,880.28 and 371,293.28

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Solution

The fourth proportional to 637,456.84, 955,880.28 and 371,293.28 is: 556,762.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,456.84 : 955,880.28 = 371,293.28 : x
  2. Step 2: Convert to fraction form
    637,456.84/955,880.28 = 371,293.28/x
  3. Step 3: Cross multiply
    637,456.84x = 955,880.28 × 371,293.28
  4. Step 4: Simplify right side
    637,456.84x = 354,911,924,448.52
  5. Step 5: Solve for x
    x = 354,911,924,448.52/637,456.84
  6. Step 6: Final answer
    x = 556,762.28

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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.