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Finding the Fourth Proportional to 525,567.54, 725,283.15 and 283,850.16

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Solution

The fourth proportional to 525,567.54, 725,283.15 and 283,850.16 is: 391,713.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,567.54 : 725,283.15 = 283,850.16 : x
  2. Step 2: Convert to fraction form
    525,567.54/725,283.15 = 283,850.16/x
  3. Step 3: Cross multiply
    525,567.54x = 725,283.15 × 283,850.16
  4. Step 4: Simplify right side
    525,567.54x = 205,871,738,172.80
  5. Step 5: Solve for x
    x = 205,871,738,172.80/525,567.54
  6. Step 6: Final answer
    x = 391,713.19

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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.