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Finding the Fourth Proportional to 329,117.55, 461,386.65 and 329,117.55

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Solution

The fourth proportional to 329,117.55, 461,386.65 and 329,117.55 is: 461,386.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,117.55 : 461,386.65 = 329,117.55 : x
  2. Step 2: Convert to fraction form
    329,117.55/461,386.65 = 329,117.55/x
  3. Step 3: Cross multiply
    329,117.55x = 461,386.65 × 329,117.55
  4. Step 4: Simplify right side
    329,117.55x = 151,850,443,850.71
  5. Step 5: Solve for x
    x = 151,850,443,850.71/329,117.55
  6. Step 6: Final answer
    x = 461,386.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.