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Finding the Fourth Proportional to 296,777.34, 409,326.77 and 255,454.70

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Solution

The fourth proportional to 296,777.34, 409,326.77 and 255,454.70 is: 352,332.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,777.34 : 409,326.77 = 255,454.70 : x
  2. Step 2: Convert to fraction form
    296,777.34/409,326.77 = 255,454.70/x
  3. Step 3: Cross multiply
    296,777.34x = 409,326.77 × 255,454.70
  4. Step 4: Simplify right side
    296,777.34x = 104,564,445,824.32
  5. Step 5: Solve for x
    x = 104,564,445,824.32/296,777.34
  6. Step 6: Final answer
    x = 352,332.98

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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.