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Finding the Fourth Proportional to 652,302.20, 978,453.30 and 563,655.80

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Solution

The fourth proportional to 652,302.20, 978,453.30 and 563,655.80 is: 845,483.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,302.20 : 978,453.30 = 563,655.80 : x
  2. Step 2: Convert to fraction form
    652,302.20/978,453.30 = 563,655.80/x
  3. Step 3: Cross multiply
    652,302.20x = 978,453.30 × 563,655.80
  4. Step 4: Simplify right side
    652,302.20x = 551,510,877,574.14
  5. Step 5: Solve for x
    x = 551,510,877,574.14/652,302.20
  6. Step 6: Final answer
    x = 845,483.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.