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Finding the Fourth Proportional to 464,089.99, 696,135.57 and 127,133.61

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Solution

The fourth proportional to 464,089.99, 696,135.57 and 127,133.61 is: 190,700.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,089.99 : 696,135.57 = 127,133.61 : x
  2. Step 2: Convert to fraction form
    464,089.99/696,135.57 = 127,133.61/x
  3. Step 3: Cross multiply
    464,089.99x = 696,135.57 × 127,133.61
  4. Step 4: Simplify right side
    464,089.99x = 88,502,228,063.51
  5. Step 5: Solve for x
    x = 88,502,228,063.51/464,089.99
  6. Step 6: Final answer
    x = 190,700.58

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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.