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Finding the Fourth Proportional to 281,594.89, 388,597.71 and 152,530.93

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Solution

The fourth proportional to 281,594.89, 388,597.71 and 152,530.93 is: 210,490.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,594.89 : 388,597.71 = 152,530.93 : x
  2. Step 2: Convert to fraction form
    281,594.89/388,597.71 = 152,530.93/x
  3. Step 3: Cross multiply
    281,594.89x = 388,597.71 × 152,530.93
  4. Step 4: Simplify right side
    281,594.89x = 59,273,170,102.17
  5. Step 5: Solve for x
    x = 59,273,170,102.17/281,594.89
  6. Step 6: Final answer
    x = 210,490.93

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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.