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Finding the Fourth Proportional to 705,806.74, 974,019.24 and 383,516.88

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Solution

The fourth proportional to 705,806.74, 974,019.24 and 383,516.88 is: 529,256.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,806.74 : 974,019.24 = 383,516.88 : x
  2. Step 2: Convert to fraction form
    705,806.74/974,019.24 = 383,516.88/x
  3. Step 3: Cross multiply
    705,806.74x = 974,019.24 × 383,516.88
  4. Step 4: Simplify right side
    705,806.74x = 373,552,819,984.77
  5. Step 5: Solve for x
    x = 373,552,819,984.77/705,806.74
  6. Step 6: Final answer
    x = 529,256.52

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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.