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Finding the Fourth Proportional to 365,307.10, 548,047.05 and 115,989.10

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Solution

The fourth proportional to 365,307.10, 548,047.05 and 115,989.10 is: 174,011.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,307.10 : 548,047.05 = 115,989.10 : x
  2. Step 2: Convert to fraction form
    365,307.10/548,047.05 = 115,989.10/x
  3. Step 3: Cross multiply
    365,307.10x = 548,047.05 × 115,989.10
  4. Step 4: Simplify right side
    365,307.10x = 63,567,484,087.16
  5. Step 5: Solve for x
    x = 63,567,484,087.16/365,307.10
  6. Step 6: Final answer
    x = 174,011.08

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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.