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Finding the Fourth Proportional to 537,689.64, 740,409.90 and 525,755.64

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Solution

The fourth proportional to 537,689.64, 740,409.90 and 525,755.64 is: 723,976.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,689.64 : 740,409.90 = 525,755.64 : x
  2. Step 2: Convert to fraction form
    537,689.64/740,409.90 = 525,755.64/x
  3. Step 3: Cross multiply
    537,689.64x = 740,409.90 × 525,755.64
  4. Step 4: Simplify right side
    537,689.64x = 389,274,680,836.84
  5. Step 5: Solve for x
    x = 389,274,680,836.84/537,689.64
  6. Step 6: Final answer
    x = 723,976.53

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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.