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Finding the Fourth Proportional to 531,069.60, 794,300.40 and 475,312.80

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Solution

The fourth proportional to 531,069.60, 794,300.40 and 475,312.80 is: 710,907.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,069.60 : 794,300.40 = 475,312.80 : x
  2. Step 2: Convert to fraction form
    531,069.60/794,300.40 = 475,312.80/x
  3. Step 3: Cross multiply
    531,069.60x = 794,300.40 × 475,312.80
  4. Step 4: Simplify right side
    531,069.60x = 377,541,147,165.12
  5. Step 5: Solve for x
    x = 377,541,147,165.12/531,069.60
  6. Step 6: Final answer
    x = 710,907.10

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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.