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Finding the Fourth Proportional to 358,280.92, 537,482.58 and 147,803.80

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Solution

The fourth proportional to 358,280.92, 537,482.58 and 147,803.80 is: 221,730.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,280.92 : 537,482.58 = 147,803.80 : x
  2. Step 2: Convert to fraction form
    358,280.92/537,482.58 = 147,803.80/x
  3. Step 3: Cross multiply
    358,280.92x = 537,482.58 × 147,803.80
  4. Step 4: Simplify right side
    358,280.92x = 79,441,967,757.80
  5. Step 5: Solve for x
    x = 79,441,967,757.80/358,280.92
  6. Step 6: Final answer
    x = 221,730.95

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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.