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Finding the Fourth Proportional to 434,368.28, 651,552.96 and 118,827.92

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Solution

The fourth proportional to 434,368.28, 651,552.96 and 118,827.92 is: 178,242.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,368.28 : 651,552.96 = 118,827.92 : x
  2. Step 2: Convert to fraction form
    434,368.28/651,552.96 = 118,827.92/x
  3. Step 3: Cross multiply
    434,368.28x = 651,552.96 × 118,827.92
  4. Step 4: Simplify right side
    434,368.28x = 77,422,683,006.64
  5. Step 5: Solve for x
    x = 77,422,683,006.64/434,368.28
  6. Step 6: Final answer
    x = 178,242.03

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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.