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Finding the Fourth Proportional to 768,073.95, 1,059,689.11 and 496,301.94

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Solution

The fourth proportional to 768,073.95, 1,059,689.11 and 496,301.94 is: 684,733.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,073.95 : 1,059,689.11 = 496,301.94 : x
  2. Step 2: Convert to fraction form
    768,073.95/1,059,689.11 = 496,301.94/x
  3. Step 3: Cross multiply
    768,073.95x = 1,059,689.11 × 496,301.94
  4. Step 4: Simplify right side
    768,073.95x = 525,925,761,089.87
  5. Step 5: Solve for x
    x = 525,925,761,089.87/768,073.95
  6. Step 6: Final answer
    x = 684,733.24

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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.