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Finding the Fourth Proportional to 578,557.47, 798,493 and 323,925.06

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Solution

The fourth proportional to 578,557.47, 798,493 and 323,925.06 is: 447,063.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,557.47 : 798,493 = 323,925.06 : x
  2. Step 2: Convert to fraction form
    578,557.47/798,493 = 323,925.06/x
  3. Step 3: Cross multiply
    578,557.47x = 798,493 × 323,925.06
  4. Step 4: Simplify right side
    578,557.47x = 258,651,892,934.58
  5. Step 5: Solve for x
    x = 258,651,892,934.58/578,557.47
  6. Step 6: Final answer
    x = 447,063.44

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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.