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Finding the Fourth Proportional to 652,458.16, 900,390.42 and 362,113.56

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Solution

The fourth proportional to 652,458.16, 900,390.42 and 362,113.56 is: 499,715.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,458.16 : 900,390.42 = 362,113.56 : x
  2. Step 2: Convert to fraction form
    652,458.16/900,390.42 = 362,113.56/x
  3. Step 3: Cross multiply
    652,458.16x = 900,390.42 × 362,113.56
  4. Step 4: Simplify right side
    652,458.16x = 326,043,580,376.10
  5. Step 5: Solve for x
    x = 326,043,580,376.10/652,458.16
  6. Step 6: Final answer
    x = 499,715.69

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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.