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Finding the Fourth Proportional to 369,057.40, 553,586.10 and 337,564.60

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Solution

The fourth proportional to 369,057.40, 553,586.10 and 337,564.60 is: 506,346.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,057.40 : 553,586.10 = 337,564.60 : x
  2. Step 2: Convert to fraction form
    369,057.40/553,586.10 = 337,564.60/x
  3. Step 3: Cross multiply
    369,057.40x = 553,586.10 × 337,564.60
  4. Step 4: Simplify right side
    369,057.40x = 186,871,070,412.06
  5. Step 5: Solve for x
    x = 186,871,070,412.06/369,057.40
  6. Step 6: Final answer
    x = 506,346.90

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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.