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Finding the Fourth Proportional to 499,285.40, 748,928.10 and 183,968.60

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Solution

The fourth proportional to 499,285.40, 748,928.10 and 183,968.60 is: 275,952.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,285.40 : 748,928.10 = 183,968.60 : x
  2. Step 2: Convert to fraction form
    499,285.40/748,928.10 = 183,968.60/x
  3. Step 3: Cross multiply
    499,285.40x = 748,928.10 × 183,968.60
  4. Step 4: Simplify right side
    499,285.40x = 137,779,254,057.66
  5. Step 5: Solve for x
    x = 137,779,254,057.66/499,285.40
  6. Step 6: Final answer
    x = 275,952.90

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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.