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Finding the Fourth Proportional to 570,704, 852,308.24 and 458,554.56

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Solution

The fourth proportional to 570,704, 852,308.24 and 458,554.56 is: 684,820.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,704 : 852,308.24 = 458,554.56 : x
  2. Step 2: Convert to fraction form
    570,704/852,308.24 = 458,554.56/x
  3. Step 3: Cross multiply
    570,704x = 852,308.24 × 458,554.56
  4. Step 4: Simplify right side
    570,704x = 390,829,829,977.57
  5. Step 5: Solve for x
    x = 390,829,829,977.57/570,704
  6. Step 6: Final answer
    x = 684,820.55

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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.