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Finding the Fourth Proportional to 404,815.60, 607,223.40 and 168,036.40

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Solution

The fourth proportional to 404,815.60, 607,223.40 and 168,036.40 is: 252,054.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,815.60 : 607,223.40 = 168,036.40 : x
  2. Step 2: Convert to fraction form
    404,815.60/607,223.40 = 168,036.40/x
  3. Step 3: Cross multiply
    404,815.60x = 607,223.40 × 168,036.40
  4. Step 4: Simplify right side
    404,815.60x = 102,035,634,131.76
  5. Step 5: Solve for x
    x = 102,035,634,131.76/404,815.60
  6. Step 6: Final answer
    x = 252,054.60

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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.