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Finding the Fourth Proportional to 546,133.51, 819,564.63 and 191,147.55

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Solution

The fourth proportional to 546,133.51, 819,564.63 and 191,147.55 is: 286,848.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,133.51 : 819,564.63 = 191,147.55 : x
  2. Step 2: Convert to fraction form
    546,133.51/819,564.63 = 191,147.55/x
  3. Step 3: Cross multiply
    546,133.51x = 819,564.63 × 191,147.55
  4. Step 4: Simplify right side
    546,133.51x = 156,657,771,091.16
  5. Step 5: Solve for x
    x = 156,657,771,091.16/546,133.51
  6. Step 6: Final answer
    x = 286,848.85

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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.