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Finding the Fourth Proportional to 292,953.87, 439,430.82 and 277,994.79

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Solution

The fourth proportional to 292,953.87, 439,430.82 and 277,994.79 is: 416,992.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,953.87 : 439,430.82 = 277,994.79 : x
  2. Step 2: Convert to fraction form
    292,953.87/439,430.82 = 277,994.79/x
  3. Step 3: Cross multiply
    292,953.87x = 439,430.82 × 277,994.79
  4. Step 4: Simplify right side
    292,953.87x = 122,159,478,525.43
  5. Step 5: Solve for x
    x = 122,159,478,525.43/292,953.87
  6. Step 6: Final answer
    x = 416,992.20

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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.