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Finding the Fourth Proportional to 404,802.54, 607,097.84 and 120,416.52

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Solution

The fourth proportional to 404,802.54, 607,097.84 and 120,416.52 is: 180,593.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,802.54 : 607,097.84 = 120,416.52 : x
  2. Step 2: Convert to fraction form
    404,802.54/607,097.84 = 120,416.52/x
  3. Step 3: Cross multiply
    404,802.54x = 607,097.84 × 120,416.52
  4. Step 4: Simplify right side
    404,802.54x = 73,104,610,866.85
  5. Step 5: Solve for x
    x = 73,104,610,866.85/404,802.54
  6. Step 6: Final answer
    x = 180,593.26

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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.