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Finding the Fourth Proportional to 651,704.80, 977,508.60 and 272,527.60

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Solution

The fourth proportional to 651,704.80, 977,508.60 and 272,527.60 is: 408,771.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,704.80 : 977,508.60 = 272,527.60 : x
  2. Step 2: Convert to fraction form
    651,704.80/977,508.60 = 272,527.60/x
  3. Step 3: Cross multiply
    651,704.80x = 977,508.60 × 272,527.60
  4. Step 4: Simplify right side
    651,704.80x = 266,398,072,737.36
  5. Step 5: Solve for x
    x = 266,398,072,737.36/651,704.80
  6. Step 6: Final answer
    x = 408,771.08

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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.