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Finding the Fourth Proportional to 546,641.74, 820,274.01 and 436,533.58

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Solution

The fourth proportional to 546,641.74, 820,274.01 and 436,533.58 is: 655,049.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,641.74 : 820,274.01 = 436,533.58 : x
  2. Step 2: Convert to fraction form
    546,641.74/820,274.01 = 436,533.58/x
  3. Step 3: Cross multiply
    546,641.74x = 820,274.01 × 436,533.58
  4. Step 4: Simplify right side
    546,641.74x = 358,077,150,166.26
  5. Step 5: Solve for x
    x = 358,077,150,166.26/546,641.74
  6. Step 6: Final answer
    x = 655,049.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.