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Finding the Fourth Proportional to 440,554.70, 607,989.51 and 249,605.30

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Solution

The fourth proportional to 440,554.70, 607,989.51 and 249,605.30 is: 344,468.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,554.70 : 607,989.51 = 249,605.30 : x
  2. Step 2: Convert to fraction form
    440,554.70/607,989.51 = 249,605.30/x
  3. Step 3: Cross multiply
    440,554.70x = 607,989.51 × 249,605.30
  4. Step 4: Simplify right side
    440,554.70x = 151,757,401,000.46
  5. Step 5: Solve for x
    x = 151,757,401,000.46/440,554.70
  6. Step 6: Final answer
    x = 344,468.92

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1.5x scale

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.