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Finding the Fourth Proportional to 507,207.28, 760,526.40 and 347,463.64

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Solution

The fourth proportional to 507,207.28, 760,526.40 and 347,463.64 is: 521,000.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,207.28 : 760,526.40 = 347,463.64 : x
  2. Step 2: Convert to fraction form
    507,207.28/760,526.40 = 347,463.64/x
  3. Step 3: Cross multiply
    507,207.28x = 760,526.40 × 347,463.64
  4. Step 4: Simplify right side
    507,207.28x = 264,255,271,260.10
  5. Step 5: Solve for x
    x = 264,255,271,260.10/507,207.28
  6. Step 6: Final answer
    x = 521,000.55

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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.