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Finding the Fourth Proportional to 426,407.76, 588,652.92 and 334,364.76

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Solution

The fourth proportional to 426,407.76, 588,652.92 and 334,364.76 is: 461,588.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,407.76 : 588,652.92 = 334,364.76 : x
  2. Step 2: Convert to fraction form
    426,407.76/588,652.92 = 334,364.76/x
  3. Step 3: Cross multiply
    426,407.76x = 588,652.92 × 334,364.76
  4. Step 4: Simplify right side
    426,407.76x = 196,824,792,319.10
  5. Step 5: Solve for x
    x = 196,824,792,319.10/426,407.76
  6. Step 6: Final answer
    x = 461,588.20

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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.