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Finding the Fourth Proportional to 583,312.56, 803,199.96 and 480,954.48

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Solution

The fourth proportional to 583,312.56, 803,199.96 and 480,954.48 is: 662,256.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,312.56 : 803,199.96 = 480,954.48 : x
  2. Step 2: Convert to fraction form
    583,312.56/803,199.96 = 480,954.48/x
  3. Step 3: Cross multiply
    583,312.56x = 803,199.96 × 480,954.48
  4. Step 4: Simplify right side
    583,312.56x = 386,302,619,097.82
  5. Step 5: Solve for x
    x = 386,302,619,097.82/583,312.56
  6. Step 6: Final answer
    x = 662,256.65

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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.