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Finding the Fourth Proportional to 601,544, 830,130.88 and 359,836.80

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Solution

The fourth proportional to 601,544, 830,130.88 and 359,836.80 is: 496,574.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,544 : 830,130.88 = 359,836.80 : x
  2. Step 2: Convert to fraction form
    601,544/830,130.88 = 359,836.80/x
  3. Step 3: Cross multiply
    601,544x = 830,130.88 × 359,836.80
  4. Step 4: Simplify right side
    601,544x = 298,711,639,440.38
  5. Step 5: Solve for x
    x = 298,711,639,440.38/601,544
  6. Step 6: Final answer
    x = 496,574.88

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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.