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Finding the Fourth Proportional to 373,011.84, 560,005.54 and 221,485.60

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Solution

The fourth proportional to 373,011.84, 560,005.54 and 221,485.60 is: 332,518.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,011.84 : 560,005.54 = 221,485.60 : x
  2. Step 2: Convert to fraction form
    373,011.84/560,005.54 = 221,485.60/x
  3. Step 3: Cross multiply
    373,011.84x = 560,005.54 × 221,485.60
  4. Step 4: Simplify right side
    373,011.84x = 124,033,163,030.22
  5. Step 5: Solve for x
    x = 124,033,163,030.22/373,011.84
  6. Step 6: Final answer
    x = 332,518.03

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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.