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Finding the Fourth Proportional to 537,071.93, 741,178.77 and 307,673.54

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Solution

The fourth proportional to 537,071.93, 741,178.77 and 307,673.54 is: 424,600.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,071.93 : 741,178.77 = 307,673.54 : x
  2. Step 2: Convert to fraction form
    537,071.93/741,178.77 = 307,673.54/x
  3. Step 3: Cross multiply
    537,071.93x = 741,178.77 × 307,673.54
  4. Step 4: Simplify right side
    537,071.93x = 228,041,094,400.38
  5. Step 5: Solve for x
    x = 228,041,094,400.38/537,071.93
  6. Step 6: Final answer
    x = 424,600.66

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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.