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Finding the Fourth Proportional to 708,859.44, 977,936.76 and 433,073.88

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Solution

The fourth proportional to 708,859.44, 977,936.76 and 433,073.88 is: 597,465.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,859.44 : 977,936.76 = 433,073.88 : x
  2. Step 2: Convert to fraction form
    708,859.44/977,936.76 = 433,073.88/x
  3. Step 3: Cross multiply
    708,859.44x = 977,936.76 × 433,073.88
  4. Step 4: Simplify right side
    708,859.44x = 423,518,867,047.83
  5. Step 5: Solve for x
    x = 423,518,867,047.83/708,859.44
  6. Step 6: Final answer
    x = 597,465.23

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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.