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Finding the Fourth Proportional to 525,569.84, 785,474.66 and 383,713.84

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Solution

The fourth proportional to 525,569.84, 785,474.66 and 383,713.84 is: 573,468.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,569.84 : 785,474.66 = 383,713.84 : x
  2. Step 2: Convert to fraction form
    525,569.84/785,474.66 = 383,713.84/x
  3. Step 3: Cross multiply
    525,569.84x = 785,474.66 × 383,713.84
  4. Step 4: Simplify right side
    525,569.84x = 301,397,498,011.29
  5. Step 5: Solve for x
    x = 301,397,498,011.29/525,569.84
  6. Step 6: Final answer
    x = 573,468.02

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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.