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Finding the Fourth Proportional to 673,071.25, 928,844.25 and 367,148.98

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Solution

The fourth proportional to 673,071.25, 928,844.25 and 367,148.98 is: 506,668.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,071.25 : 928,844.25 = 367,148.98 : x
  2. Step 2: Convert to fraction form
    673,071.25/928,844.25 = 367,148.98/x
  3. Step 3: Cross multiply
    673,071.25x = 928,844.25 × 367,148.98
  4. Step 4: Simplify right side
    673,071.25x = 341,024,218,966.37
  5. Step 5: Solve for x
    x = 341,024,218,966.37/673,071.25
  6. Step 6: Final answer
    x = 506,668.82

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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.