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Finding the Fourth Proportional to 423,033.66, 633,986.73 and 223,307.10

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Solution

The fourth proportional to 423,033.66, 633,986.73 and 223,307.10 is: 334,663.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,033.66 : 633,986.73 = 223,307.10 : x
  2. Step 2: Convert to fraction form
    423,033.66/633,986.73 = 223,307.10/x
  3. Step 3: Cross multiply
    423,033.66x = 633,986.73 × 223,307.10
  4. Step 4: Simplify right side
    423,033.66x = 141,573,738,114.78
  5. Step 5: Solve for x
    x = 141,573,738,114.78/423,033.66
  6. Step 6: Final answer
    x = 334,663.06

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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.