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Finding the Fourth Proportional to 525,567.84, 785,471.68 and 383,711.84

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Solution

The fourth proportional to 525,567.84, 785,471.68 and 383,711.84 is: 573,465.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,567.84 : 785,471.68 = 383,711.84 : x
  2. Step 2: Convert to fraction form
    525,567.84/785,471.68 = 383,711.84/x
  3. Step 3: Cross multiply
    525,567.84x = 785,471.68 × 383,711.84
  4. Step 4: Simplify right side
    525,567.84x = 301,394,783,600.69
  5. Step 5: Solve for x
    x = 301,394,783,600.69/525,567.84
  6. Step 6: Final answer
    x = 573,465.04

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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.