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Finding the Fourth Proportional to 648,059.40, 972,575.10 and 332,353.80

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Solution

The fourth proportional to 648,059.40, 972,575.10 and 332,353.80 is: 498,779.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,059.40 : 972,575.10 = 332,353.80 : x
  2. Step 2: Convert to fraction form
    648,059.40/972,575.10 = 332,353.80/x
  3. Step 3: Cross multiply
    648,059.40x = 972,575.10 × 332,353.80
  4. Step 4: Simplify right side
    648,059.40x = 323,239,030,270.38
  5. Step 5: Solve for x
    x = 323,239,030,270.38/648,059.40
  6. Step 6: Final answer
    x = 498,779.94

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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.