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Finding the Fourth Proportional to 480,483.98, 663,049.40 and 286,924.22

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Solution

The fourth proportional to 480,483.98, 663,049.40 and 286,924.22 is: 395,944.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,483.98 : 663,049.40 = 286,924.22 : x
  2. Step 2: Convert to fraction form
    480,483.98/663,049.40 = 286,924.22/x
  3. Step 3: Cross multiply
    480,483.98x = 663,049.40 × 286,924.22
  4. Step 4: Simplify right side
    480,483.98x = 190,244,927,166.60
  5. Step 5: Solve for x
    x = 190,244,927,166.60/480,483.98
  6. Step 6: Final answer
    x = 395,944.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.