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Finding the Fourth Proportional to 703,227.18, 970,458.18 and 380,937.30

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Solution

The fourth proportional to 703,227.18, 970,458.18 and 380,937.30 is: 525,696.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,227.18 : 970,458.18 = 380,937.30 : x
  2. Step 2: Convert to fraction form
    703,227.18/970,458.18 = 380,937.30/x
  3. Step 3: Cross multiply
    703,227.18x = 970,458.18 × 380,937.30
  4. Step 4: Simplify right side
    703,227.18x = 369,683,718,852.11
  5. Step 5: Solve for x
    x = 369,683,718,852.11/703,227.18
  6. Step 6: Final answer
    x = 525,696.00

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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.