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Finding the Fourth Proportional to 546,479.86, 754,140.72 and 304,762.69

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Solution

The fourth proportional to 546,479.86, 754,140.72 and 304,762.69 is: 420,571.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,479.86 : 754,140.72 = 304,762.69 : x
  2. Step 2: Convert to fraction form
    546,479.86/754,140.72 = 304,762.69/x
  3. Step 3: Cross multiply
    546,479.86x = 754,140.72 × 304,762.69
  4. Step 4: Simplify right side
    546,479.86x = 229,833,954,465.74
  5. Step 5: Solve for x
    x = 229,833,954,465.74/546,479.86
  6. Step 6: Final answer
    x = 420,571.68

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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.