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Finding the Fourth Proportional to 572,730.60, 859,095.90 and 362,605.80

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Solution

The fourth proportional to 572,730.60, 859,095.90 and 362,605.80 is: 543,908.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,730.60 : 859,095.90 = 362,605.80 : x
  2. Step 2: Convert to fraction form
    572,730.60/859,095.90 = 362,605.80/x
  3. Step 3: Cross multiply
    572,730.60x = 859,095.90 × 362,605.80
  4. Step 4: Simplify right side
    572,730.60x = 311,513,156,096.22
  5. Step 5: Solve for x
    x = 311,513,156,096.22/572,730.60
  6. Step 6: Final answer
    x = 543,908.70

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Similar ratio
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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.