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Finding the Fourth Proportional to 525,535.84, 788,407.64 and 188,486.36

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Solution

The fourth proportional to 525,535.84, 788,407.64 and 188,486.36 is: 282,766.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,535.84 : 788,407.64 = 188,486.36 : x
  2. Step 2: Convert to fraction form
    525,535.84/788,407.64 = 188,486.36/x
  3. Step 3: Cross multiply
    525,535.84x = 788,407.64 × 188,486.36
  4. Step 4: Simplify right side
    525,535.84x = 148,604,086,259.79
  5. Step 5: Solve for x
    x = 148,604,086,259.79/525,535.84
  6. Step 6: Final answer
    x = 282,766.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.