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Finding the Fourth Proportional to 540,070.77, 745,295.33 and 298,353.33

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Solution

The fourth proportional to 540,070.77, 745,295.33 and 298,353.33 is: 411,726.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,070.77 : 745,295.33 = 298,353.33 : x
  2. Step 2: Convert to fraction form
    540,070.77/745,295.33 = 298,353.33/x
  3. Step 3: Cross multiply
    540,070.77x = 745,295.33 × 298,353.33
  4. Step 4: Simplify right side
    540,070.77x = 222,361,342,047.18
  5. Step 5: Solve for x
    x = 222,361,342,047.18/540,070.77
  6. Step 6: Final answer
    x = 411,726.30

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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.