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Finding the Fourth Proportional to 637,265.30, 879,323.20 and 365,283.14

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Solution

The fourth proportional to 637,265.30, 879,323.20 and 365,283.14 is: 504,031.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,265.30 : 879,323.20 = 365,283.14 : x
  2. Step 2: Convert to fraction form
    637,265.30/879,323.20 = 365,283.14/x
  3. Step 3: Cross multiply
    637,265.30x = 879,323.20 × 365,283.14
  4. Step 4: Simplify right side
    637,265.30x = 321,201,934,261.02
  5. Step 5: Solve for x
    x = 321,201,934,261.02/637,265.30
  6. Step 6: Final answer
    x = 504,031.74

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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.