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Finding the Fourth Proportional to 705,501.60, 973,602.72 and 383,217.96

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Solution

The fourth proportional to 705,501.60, 973,602.72 and 383,217.96 is: 528,846.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,501.60 : 973,602.72 = 383,217.96 : x
  2. Step 2: Convert to fraction form
    705,501.60/973,602.72 = 383,217.96/x
  3. Step 3: Cross multiply
    705,501.60x = 973,602.72 × 383,217.96
  4. Step 4: Simplify right side
    705,501.60x = 373,102,048,208.85
  5. Step 5: Solve for x
    x = 373,102,048,208.85/705,501.60
  6. Step 6: Final answer
    x = 528,846.49

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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.