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Finding the Fourth Proportional to 841,389, 1,262,083.50 and 250,413

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Solution

The fourth proportional to 841,389, 1,262,083.50 and 250,413 is: 375,619.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,389 : 1,262,083.50 = 250,413 : x
  2. Step 2: Convert to fraction form
    841,389/1,262,083.50 = 250,413/x
  3. Step 3: Cross multiply
    841,389x = 1,262,083.50 × 250,413
  4. Step 4: Simplify right side
    841,389x = 316,042,115,485.50
  5. Step 5: Solve for x
    x = 316,042,115,485.50/841,389
  6. Step 6: Final answer
    x = 375,619.50

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1.5x scale

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.