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Finding the Fourth Proportional to 265,871.20, 366,810.40 and 170,430.40

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Solution

The fourth proportional to 265,871.20, 366,810.40 and 170,430.40 is: 235,135.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,871.20 : 366,810.40 = 170,430.40 : x
  2. Step 2: Convert to fraction form
    265,871.20/366,810.40 = 170,430.40/x
  3. Step 3: Cross multiply
    265,871.20x = 366,810.40 × 170,430.40
  4. Step 4: Simplify right side
    265,871.20x = 62,515,643,196.16
  5. Step 5: Solve for x
    x = 62,515,643,196.16/265,871.20
  6. Step 6: Final answer
    x = 235,135.07

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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.