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Finding the Fourth Proportional to 531,360.53, 793,654.34 and 480,681.60

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Solution

The fourth proportional to 531,360.53, 793,654.34 and 480,681.60 is: 717,958.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,360.53 : 793,654.34 = 480,681.60 : x
  2. Step 2: Convert to fraction form
    531,360.53/793,654.34 = 480,681.60/x
  3. Step 3: Cross multiply
    531,360.53x = 793,654.34 × 480,681.60
  4. Step 4: Simplify right side
    531,360.53x = 381,495,037,998.14
  5. Step 5: Solve for x
    x = 381,495,037,998.14/531,360.53
  6. Step 6: Final answer
    x = 717,958.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.