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Finding the Fourth Proportional to 418,099.01, 575,921.63 and 337,300.30

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Solution

The fourth proportional to 418,099.01, 575,921.63 and 337,300.30 is: 464,623.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,099.01 : 575,921.63 = 337,300.30 : x
  2. Step 2: Convert to fraction form
    418,099.01/575,921.63 = 337,300.30/x
  3. Step 3: Cross multiply
    418,099.01x = 575,921.63 × 337,300.30
  4. Step 4: Simplify right side
    418,099.01x = 194,258,534,009.38
  5. Step 5: Solve for x
    x = 194,258,534,009.38/418,099.01
  6. Step 6: Final answer
    x = 464,623.28

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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.