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Finding the Fourth Proportional to 447,005.64, 616,001.58 and 370,635.60

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Solution

The fourth proportional to 447,005.64, 616,001.58 and 370,635.60 is: 510,758.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,005.64 : 616,001.58 = 370,635.60 : x
  2. Step 2: Convert to fraction form
    447,005.64/616,001.58 = 370,635.60/x
  3. Step 3: Cross multiply
    447,005.64x = 616,001.58 × 370,635.60
  4. Step 4: Simplify right side
    447,005.64x = 228,312,115,204.25
  5. Step 5: Solve for x
    x = 228,312,115,204.25/447,005.64
  6. Step 6: Final answer
    x = 510,758.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.