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Finding the Fourth Proportional to 540,460.08, 745,880.94 and 314,091

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Solution

The fourth proportional to 540,460.08, 745,880.94 and 314,091 is: 433,472.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,460.08 : 745,880.94 = 314,091 : x
  2. Step 2: Convert to fraction form
    540,460.08/745,880.94 = 314,091/x
  3. Step 3: Cross multiply
    540,460.08x = 745,880.94 × 314,091
  4. Step 4: Simplify right side
    540,460.08x = 234,274,490,325.54
  5. Step 5: Solve for x
    x = 234,274,490,325.54/540,460.08
  6. Step 6: Final answer
    x = 433,472.33

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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.