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Finding the Fourth Proportional to 265,347.90, 366,156.05 and 157,900.59

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Solution

The fourth proportional to 265,347.90, 366,156.05 and 157,900.59 is: 217,888.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,347.90 : 366,156.05 = 157,900.59 : x
  2. Step 2: Convert to fraction form
    265,347.90/366,156.05 = 157,900.59/x
  3. Step 3: Cross multiply
    265,347.90x = 366,156.05 × 157,900.59
  4. Step 4: Simplify right side
    265,347.90x = 57,816,255,537.57
  5. Step 5: Solve for x
    x = 57,816,255,537.57/265,347.90
  6. Step 6: Final answer
    x = 217,888.50

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1.5x scale

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.