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Finding the Fourth Proportional to 617,145.30, 924,335.55 and 603,321.30

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Solution

The fourth proportional to 617,145.30, 924,335.55 and 603,321.30 is: 903,630.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,145.30 : 924,335.55 = 603,321.30 : x
  2. Step 2: Convert to fraction form
    617,145.30/924,335.55 = 603,321.30/x
  3. Step 3: Cross multiply
    617,145.30x = 924,335.55 × 603,321.30
  4. Step 4: Simplify right side
    617,145.30x = 557,671,325,662.22
  5. Step 5: Solve for x
    x = 557,671,325,662.22/617,145.30
  6. Step 6: Final answer
    x = 903,630.52

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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.