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Finding the Fourth Proportional to 358,479.64, 537,800.48 and 118,592.98

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Solution

The fourth proportional to 358,479.64, 537,800.48 and 118,592.98 is: 177,916.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,479.64 : 537,800.48 = 118,592.98 : x
  2. Step 2: Convert to fraction form
    358,479.64/537,800.48 = 118,592.98/x
  3. Step 3: Cross multiply
    358,479.64x = 537,800.48 × 118,592.98
  4. Step 4: Simplify right side
    358,479.64x = 63,779,359,921.53
  5. Step 5: Solve for x
    x = 63,779,359,921.53/358,479.64
  6. Step 6: Final answer
    x = 177,916.27

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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.