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Finding the Fourth Proportional to 675,674.16, 932,366.84 and 457,438.89

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Solution

The fourth proportional to 675,674.16, 932,366.84 and 457,438.89 is: 631,222.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,674.16 : 932,366.84 = 457,438.89 : x
  2. Step 2: Convert to fraction form
    675,674.16/932,366.84 = 457,438.89/x
  3. Step 3: Cross multiply
    675,674.16x = 932,366.84 × 457,438.89
  4. Step 4: Simplify right side
    675,674.16x = 426,500,852,362.41
  5. Step 5: Solve for x
    x = 426,500,852,362.41/675,674.16
  6. Step 6: Final answer
    x = 631,222.68

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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.