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Finding the Fourth Proportional to 637,335.60, 956,003.40 and 446,564.40

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Solution

The fourth proportional to 637,335.60, 956,003.40 and 446,564.40 is: 669,846.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,335.60 : 956,003.40 = 446,564.40 : x
  2. Step 2: Convert to fraction form
    637,335.60/956,003.40 = 446,564.40/x
  3. Step 3: Cross multiply
    637,335.60x = 956,003.40 × 446,564.40
  4. Step 4: Simplify right side
    637,335.60x = 426,917,084,718.96
  5. Step 5: Solve for x
    x = 426,917,084,718.96/637,335.60
  6. Step 6: Final answer
    x = 669,846.60

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Double scale
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Similar ratio
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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.