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Finding the Fourth Proportional to 371,000.28, 556,124.76 and 146,519.00

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Solution

The fourth proportional to 371,000.28, 556,124.76 and 146,519.00 is: 219,630.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,000.28 : 556,124.76 = 146,519.00 : x
  2. Step 2: Convert to fraction form
    371,000.28/556,124.76 = 146,519.00/x
  3. Step 3: Cross multiply
    371,000.28x = 556,124.76 × 146,519.00
  4. Step 4: Simplify right side
    371,000.28x = 81,482,840,929.82
  5. Step 5: Solve for x
    x = 81,482,840,929.82/371,000.28
  6. Step 6: Final answer
    x = 219,630.13

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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.