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Finding the Fourth Proportional to 652,586.40, 977,583.60 and 574,653.60

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Solution

The fourth proportional to 652,586.40, 977,583.60 and 574,653.60 is: 860,839.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,586.40 : 977,583.60 = 574,653.60 : x
  2. Step 2: Convert to fraction form
    652,586.40/977,583.60 = 574,653.60/x
  3. Step 3: Cross multiply
    652,586.40x = 977,583.60 × 574,653.60
  4. Step 4: Simplify right side
    652,586.40x = 561,771,935,040.96
  5. Step 5: Solve for x
    x = 561,771,935,040.96/652,586.40
  6. Step 6: Final answer
    x = 860,839.17

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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.