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Finding the Fourth Proportional to 525,968.60, 788,952.90 and 441,987.80

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Solution

The fourth proportional to 525,968.60, 788,952.90 and 441,987.80 is: 662,981.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,968.60 : 788,952.90 = 441,987.80 : x
  2. Step 2: Convert to fraction form
    525,968.60/788,952.90 = 441,987.80/x
  3. Step 3: Cross multiply
    525,968.60x = 788,952.90 × 441,987.80
  4. Step 4: Simplify right side
    525,968.60x = 348,707,556,574.62
  5. Step 5: Solve for x
    x = 348,707,556,574.62/525,968.60
  6. Step 6: Final answer
    x = 662,981.70

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Double scale
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Similar ratio
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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.