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Finding the Fourth Proportional to 370,675.44, 551,244.69 and 358,865.64

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Solution

The fourth proportional to 370,675.44, 551,244.69 and 358,865.64 is: 533,681.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,675.44 : 551,244.69 = 358,865.64 : x
  2. Step 2: Convert to fraction form
    370,675.44/551,244.69 = 358,865.64/x
  3. Step 3: Cross multiply
    370,675.44x = 551,244.69 × 358,865.64
  4. Step 4: Simplify right side
    370,675.44x = 197,822,778,473.45
  5. Step 5: Solve for x
    x = 197,822,778,473.45/370,675.44
  6. Step 6: Final answer
    x = 533,681.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.