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Finding the Fourth Proportional to 370,946.40, 556,477.50 and 118,283.52

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Solution

The fourth proportional to 370,946.40, 556,477.50 and 118,283.52 is: 177,443.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,946.40 : 556,477.50 = 118,283.52 : x
  2. Step 2: Convert to fraction form
    370,946.40/556,477.50 = 118,283.52/x
  3. Step 3: Cross multiply
    370,946.40x = 556,477.50 × 118,283.52
  4. Step 4: Simplify right side
    370,946.40x = 65,822,117,500.80
  5. Step 5: Solve for x
    x = 65,822,117,500.80/370,946.40
  6. Step 6: Final answer
    x = 177,443.74

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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.