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Finding the Fourth Proportional to 601,701.40, 830,334.54 and 329,763.34

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Solution

The fourth proportional to 601,701.40, 830,334.54 and 329,763.34 is: 455,066.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,701.40 : 830,334.54 = 329,763.34 : x
  2. Step 2: Convert to fraction form
    601,701.40/830,334.54 = 329,763.34/x
  3. Step 3: Cross multiply
    601,701.40x = 830,334.54 × 329,763.34
  4. Step 4: Simplify right side
    601,701.40x = 273,813,891,227.76
  5. Step 5: Solve for x
    x = 273,813,891,227.76/601,701.40
  6. Step 6: Final answer
    x = 455,066.07

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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.