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Finding the Fourth Proportional to 358,371.32, 537,428.88 and 118,440.80

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Solution

The fourth proportional to 358,371.32, 537,428.88 and 118,440.80 is: 177,618.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,371.32 : 537,428.88 = 118,440.80 : x
  2. Step 2: Convert to fraction form
    358,371.32/537,428.88 = 118,440.80/x
  3. Step 3: Cross multiply
    358,371.32x = 537,428.88 × 118,440.80
  4. Step 4: Simplify right side
    358,371.32x = 63,653,506,490.30
  5. Step 5: Solve for x
    x = 63,653,506,490.30/358,371.32
  6. Step 6: Final answer
    x = 177,618.86

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1.5x scale

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.