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Finding the Fourth Proportional to 249,999.90, 374,999.85 and 100,263.30

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Solution

The fourth proportional to 249,999.90, 374,999.85 and 100,263.30 is: 150,394.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,999.90 : 374,999.85 = 100,263.30 : x
  2. Step 2: Convert to fraction form
    249,999.90/374,999.85 = 100,263.30/x
  3. Step 3: Cross multiply
    249,999.90x = 374,999.85 × 100,263.30
  4. Step 4: Simplify right side
    249,999.90x = 37,598,722,460.51
  5. Step 5: Solve for x
    x = 37,598,722,460.51/249,999.90
  6. Step 6: Final answer
    x = 150,394.95

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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.