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Finding the Fourth Proportional to 708,921.06, 977,757.93 and 454,295.94

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Solution

The fourth proportional to 708,921.06, 977,757.93 and 454,295.94 is: 626,573.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,921.06 : 977,757.93 = 454,295.94 : x
  2. Step 2: Convert to fraction form
    708,921.06/977,757.93 = 454,295.94/x
  3. Step 3: Cross multiply
    708,921.06x = 977,757.93 × 454,295.94
  4. Step 4: Simplify right side
    708,921.06x = 444,191,457,901.80
  5. Step 5: Solve for x
    x = 444,191,457,901.80/708,921.06
  6. Step 6: Final answer
    x = 626,573.93

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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.