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Finding the Fourth Proportional to 541,275.56, 812,032.94 and 162,180.84

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Solution

The fourth proportional to 541,275.56, 812,032.94 and 162,180.84 is: 243,307.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,275.56 : 812,032.94 = 162,180.84 : x
  2. Step 2: Convert to fraction form
    541,275.56/812,032.94 = 162,180.84/x
  3. Step 3: Cross multiply
    541,275.56x = 812,032.94 × 162,180.84
  4. Step 4: Simplify right side
    541,275.56x = 131,696,184,316.87
  5. Step 5: Solve for x
    x = 131,696,184,316.87/541,275.56
  6. Step 6: Final answer
    x = 243,307.10

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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.