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Finding the Fourth Proportional to 281,544.59, 388,531.20 and 152,483.00

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Solution

The fourth proportional to 281,544.59, 388,531.20 and 152,483.00 is: 210,426.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,544.59 : 388,531.20 = 152,483.00 : x
  2. Step 2: Convert to fraction form
    281,544.59/388,531.20 = 152,483.00/x
  3. Step 3: Cross multiply
    281,544.59x = 388,531.20 × 152,483.00
  4. Step 4: Simplify right side
    281,544.59x = 59,244,401,026.94
  5. Step 5: Solve for x
    x = 59,244,401,026.94/281,544.59
  6. Step 6: Final answer
    x = 210,426.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.