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Finding the Fourth Proportional to 265,812.53, 398,417.06 and 233,729.51

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Solution

The fourth proportional to 265,812.53, 398,417.06 and 233,729.51 is: 350,328.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,812.53 : 398,417.06 = 233,729.51 : x
  2. Step 2: Convert to fraction form
    265,812.53/398,417.06 = 233,729.51/x
  3. Step 3: Cross multiply
    265,812.53x = 398,417.06 × 233,729.51
  4. Step 4: Simplify right side
    265,812.53x = 93,121,822,801.68
  5. Step 5: Solve for x
    x = 93,121,822,801.68/265,812.53
  6. Step 6: Final answer
    x = 350,328.95

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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.