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Finding the Fourth Proportional to 575,435, 794,177.26 and 330,516.12

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Solution

The fourth proportional to 575,435, 794,177.26 and 330,516.12 is: 456,156.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,435 : 794,177.26 = 330,516.12 : x
  2. Step 2: Convert to fraction form
    575,435/794,177.26 = 330,516.12/x
  3. Step 3: Cross multiply
    575,435x = 794,177.26 × 330,516.12
  4. Step 4: Simplify right side
    575,435x = 262,488,386,567.43
  5. Step 5: Solve for x
    x = 262,488,386,567.43/575,435
  6. Step 6: Final answer
    x = 456,156.45

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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.