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Finding the Fourth Proportional to 525,968.10, 788,952.15 and 441,987.30

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Solution

The fourth proportional to 525,968.10, 788,952.15 and 441,987.30 is: 662,980.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,968.10 : 788,952.15 = 441,987.30 : x
  2. Step 2: Convert to fraction form
    525,968.10/788,952.15 = 441,987.30/x
  3. Step 3: Cross multiply
    525,968.10x = 788,952.15 × 441,987.30
  4. Step 4: Simplify right side
    525,968.10x = 348,706,830,607.70
  5. Step 5: Solve for x
    x = 348,706,830,607.70/525,968.10
  6. Step 6: Final answer
    x = 662,980.95

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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.