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Finding the Fourth Proportional to 617,312.40, 925,968.60 and 617,312.40

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Solution

The fourth proportional to 617,312.40, 925,968.60 and 617,312.40 is: 925,968.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,312.40 : 925,968.60 = 617,312.40 : x
  2. Step 2: Convert to fraction form
    617,312.40/925,968.60 = 617,312.40/x
  3. Step 3: Cross multiply
    617,312.40x = 925,968.60 × 617,312.40
  4. Step 4: Simplify right side
    617,312.40x = 571,611,898,790.64
  5. Step 5: Solve for x
    x = 571,611,898,790.64/617,312.40
  6. Step 6: Final answer
    x = 925,968.60

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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.