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Finding the Fourth Proportional to 444,505.46, 612,943.72 and 358,373.20

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Solution

The fourth proportional to 444,505.46, 612,943.72 and 358,373.20 is: 494,173.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,505.46 : 612,943.72 = 358,373.20 : x
  2. Step 2: Convert to fraction form
    444,505.46/612,943.72 = 358,373.20/x
  3. Step 3: Cross multiply
    444,505.46x = 612,943.72 × 358,373.20
  4. Step 4: Simplify right side
    444,505.46x = 219,662,602,356.30
  5. Step 5: Solve for x
    x = 219,662,602,356.30/444,505.46
  6. Step 6: Final answer
    x = 494,173.01

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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.