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Finding the Fourth Proportional to 540,886.91, 811,376.54 and 141,527.35

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Solution

The fourth proportional to 540,886.91, 811,376.54 and 141,527.35 is: 212,303.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,886.91 : 811,376.54 = 141,527.35 : x
  2. Step 2: Convert to fraction form
    540,886.91/811,376.54 = 141,527.35/x
  3. Step 3: Cross multiply
    540,886.91x = 811,376.54 × 141,527.35
  4. Step 4: Simplify right side
    540,886.91x = 114,831,966,793.85
  5. Step 5: Solve for x
    x = 114,831,966,793.85/540,886.91
  6. Step 6: Final answer
    x = 212,303.10

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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.