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Finding the Fourth Proportional to 617,942.60, 926,913.90 and 617,942.60

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Solution

The fourth proportional to 617,942.60, 926,913.90 and 617,942.60 is: 926,913.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,942.60 : 926,913.90 = 617,942.60 : x
  2. Step 2: Convert to fraction form
    617,942.60/926,913.90 = 617,942.60/x
  3. Step 3: Cross multiply
    617,942.60x = 926,913.90 × 617,942.60
  4. Step 4: Simplify right side
    617,942.60x = 572,779,585,342.14
  5. Step 5: Solve for x
    x = 572,779,585,342.14/617,942.60
  6. Step 6: Final answer
    x = 926,913.90

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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.