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Finding the Fourth Proportional to 705,298.64, 973,309.08 and 383,006.08

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Solution

The fourth proportional to 705,298.64, 973,309.08 and 383,006.08 is: 528,546.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,298.64 : 973,309.08 = 383,006.08 : x
  2. Step 2: Convert to fraction form
    705,298.64/973,309.08 = 383,006.08/x
  3. Step 3: Cross multiply
    705,298.64x = 973,309.08 × 383,006.08
  4. Step 4: Simplify right side
    705,298.64x = 372,783,295,359.21
  5. Step 5: Solve for x
    x = 372,783,295,359.21/705,298.64
  6. Step 6: Final answer
    x = 528,546.74

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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.