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Finding the Fourth Proportional to 630,697.80, 946,020.06 and 293,622.60

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Solution

The fourth proportional to 630,697.80, 946,020.06 and 293,622.60 is: 440,421.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,697.80 : 946,020.06 = 293,622.60 : x
  2. Step 2: Convert to fraction form
    630,697.80/946,020.06 = 293,622.60/x
  3. Step 3: Cross multiply
    630,697.80x = 946,020.06 × 293,622.60
  4. Step 4: Simplify right side
    630,697.80x = 277,772,869,669.36
  5. Step 5: Solve for x
    x = 277,772,869,669.36/630,697.80
  6. Step 6: Final answer
    x = 440,421.50

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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.