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Finding the Fourth Proportional to 603,666.01, 832,877.40 and 361,860.36

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Solution

The fourth proportional to 603,666.01, 832,877.40 and 361,860.36 is: 499,258.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,666.01 : 832,877.40 = 361,860.36 : x
  2. Step 2: Convert to fraction form
    603,666.01/832,877.40 = 361,860.36/x
  3. Step 3: Cross multiply
    603,666.01x = 832,877.40 × 361,860.36
  4. Step 4: Simplify right side
    603,666.01x = 301,385,315,799.86
  5. Step 5: Solve for x
    x = 301,385,315,799.86/603,666.01
  6. Step 6: Final answer
    x = 499,258.38

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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.