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Finding the Fourth Proportional to 484,641.96, 727,111.16 and 248,151.92

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Solution

The fourth proportional to 484,641.96, 727,111.16 and 248,151.92 is: 372,303.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,641.96 : 727,111.16 = 248,151.92 : x
  2. Step 2: Convert to fraction form
    484,641.96/727,111.16 = 248,151.92/x
  3. Step 3: Cross multiply
    484,641.96x = 727,111.16 × 248,151.92
  4. Step 4: Simplify right side
    484,641.96x = 180,434,030,407.43
  5. Step 5: Solve for x
    x = 180,434,030,407.43/484,641.96
  6. Step 6: Final answer
    x = 372,303.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.