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Finding the Fourth Proportional to 571,358.28, 856,914.40 and 234,068.20

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Solution

The fourth proportional to 571,358.28, 856,914.40 and 234,068.20 is: 351,051.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,358.28 : 856,914.40 = 234,068.20 : x
  2. Step 2: Convert to fraction form
    571,358.28/856,914.40 = 234,068.20/x
  3. Step 3: Cross multiply
    571,358.28x = 856,914.40 × 234,068.20
  4. Step 4: Simplify right side
    571,358.28x = 200,576,411,162.08
  5. Step 5: Solve for x
    x = 200,576,411,162.08/571,358.28
  6. Step 6: Final answer
    x = 351,051.90

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Double scale
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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.