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Finding the Fourth Proportional to 404,666.30, 606,999.45 and 370,549.10

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Solution

The fourth proportional to 404,666.30, 606,999.45 and 370,549.10 is: 555,823.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,666.30 : 606,999.45 = 370,549.10 : x
  2. Step 2: Convert to fraction form
    404,666.30/606,999.45 = 370,549.10/x
  3. Step 3: Cross multiply
    404,666.30x = 606,999.45 × 370,549.10
  4. Step 4: Simplify right side
    404,666.30x = 224,923,099,898.00
  5. Step 5: Solve for x
    x = 224,923,099,898.00/404,666.30
  6. Step 6: Final answer
    x = 555,823.65

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1.5x scale

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.