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Finding the Fourth Proportional to 708,133.97, 977,225.00 and 385,844.10

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Solution

The fourth proportional to 708,133.97, 977,225.00 and 385,844.10 is: 532,464.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,133.97 : 977,225.00 = 385,844.10 : x
  2. Step 2: Convert to fraction form
    708,133.97/977,225.00 = 385,844.10/x
  3. Step 3: Cross multiply
    708,133.97x = 977,225.00 × 385,844.10
  4. Step 4: Simplify right side
    708,133.97x = 377,056,498,693.28
  5. Step 5: Solve for x
    x = 377,056,498,693.28/708,133.97
  6. Step 6: Final answer
    x = 532,464.93

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Double scale
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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.