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Finding the Fourth Proportional to 583,302.10, 804,956.71 and 315,030.10

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Solution

The fourth proportional to 583,302.10, 804,956.71 and 315,030.10 is: 434,741.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,302.10 : 804,956.71 = 315,030.10 : x
  2. Step 2: Convert to fraction form
    583,302.10/804,956.71 = 315,030.10/x
  3. Step 3: Cross multiply
    583,302.10x = 804,956.71 × 315,030.10
  4. Step 4: Simplify right side
    583,302.10x = 253,585,592,846.97
  5. Step 5: Solve for x
    x = 253,585,592,846.97/583,302.10
  6. Step 6: Final answer
    x = 434,741.44

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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.