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Finding the Fourth Proportional to 286,594.01, 429,891.01 and 128,637.94

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Solution

The fourth proportional to 286,594.01, 429,891.01 and 128,637.94 is: 192,956.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,594.01 : 429,891.01 = 128,637.94 : x
  2. Step 2: Convert to fraction form
    286,594.01/429,891.01 = 128,637.94/x
  3. Step 3: Cross multiply
    286,594.01x = 429,891.01 × 128,637.94
  4. Step 4: Simplify right side
    286,594.01x = 55,300,294,084.23
  5. Step 5: Solve for x
    x = 55,300,294,084.23/286,594.01
  6. Step 6: Final answer
    x = 192,956.91

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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.