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Finding the Fourth Proportional to 296,543.60, 444,815.40 and 282,028.40

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Solution

The fourth proportional to 296,543.60, 444,815.40 and 282,028.40 is: 423,042.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,543.60 : 444,815.40 = 282,028.40 : x
  2. Step 2: Convert to fraction form
    296,543.60/444,815.40 = 282,028.40/x
  3. Step 3: Cross multiply
    296,543.60x = 444,815.40 × 282,028.40
  4. Step 4: Simplify right side
    296,543.60x = 125,450,575,557.36
  5. Step 5: Solve for x
    x = 125,450,575,557.36/296,543.60
  6. Step 6: Final answer
    x = 423,042.60

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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.