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Finding the Fourth Proportional to 360,903.33, 498,058.34 and 207,929.50

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Solution

The fourth proportional to 360,903.33, 498,058.34 and 207,929.50 is: 286,949.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,903.33 : 498,058.34 = 207,929.50 : x
  2. Step 2: Convert to fraction form
    360,903.33/498,058.34 = 207,929.50/x
  3. Step 3: Cross multiply
    360,903.33x = 498,058.34 × 207,929.50
  4. Step 4: Simplify right side
    360,903.33x = 103,561,019,322.24
  5. Step 5: Solve for x
    x = 103,561,019,322.24/360,903.33
  6. Step 6: Final answer
    x = 286,949.47

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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.