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Finding the Fourth Proportional to 525,568.84, 785,473.17 and 383,712.84

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Solution

The fourth proportional to 525,568.84, 785,473.17 and 383,712.84 is: 573,466.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,568.84 : 785,473.17 = 383,712.84 : x
  2. Step 2: Convert to fraction form
    525,568.84/785,473.17 = 383,712.84/x
  3. Step 3: Cross multiply
    525,568.84x = 785,473.17 × 383,712.84
  4. Step 4: Simplify right side
    525,568.84x = 301,396,140,804.50
  5. Step 5: Solve for x
    x = 301,396,140,804.50/525,568.84
  6. Step 6: Final answer
    x = 573,466.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.