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Finding the Fourth Proportional to 456,483.36, 629,874.72 and 295,345.20

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Solution

The fourth proportional to 456,483.36, 629,874.72 and 295,345.20 is: 407,529.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,483.36 : 629,874.72 = 295,345.20 : x
  2. Step 2: Convert to fraction form
    456,483.36/629,874.72 = 295,345.20/x
  3. Step 3: Cross multiply
    456,483.36x = 629,874.72 × 295,345.20
  4. Step 4: Simplify right side
    456,483.36x = 186,030,475,153.34
  5. Step 5: Solve for x
    x = 186,030,475,153.34/456,483.36
  6. Step 6: Final answer
    x = 407,529.59

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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.