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Finding the Fourth Proportional to 703,316.76, 970,577.52 and 381,029.10

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Solution

The fourth proportional to 703,316.76, 970,577.52 and 381,029.10 is: 525,820.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,316.76 : 970,577.52 = 381,029.10 : x
  2. Step 2: Convert to fraction form
    703,316.76/970,577.52 = 381,029.10/x
  3. Step 3: Cross multiply
    703,316.76x = 970,577.52 × 381,029.10
  4. Step 4: Simplify right side
    703,316.76x = 369,818,278,925.83
  5. Step 5: Solve for x
    x = 369,818,278,925.83/703,316.76
  6. Step 6: Final answer
    x = 525,820.37

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Double scale
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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.