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Finding the Fourth Proportional to 536,005.32, 739,688.77 and 294,303.54

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Solution

The fourth proportional to 536,005.32, 739,688.77 and 294,303.54 is: 406,139.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,005.32 : 739,688.77 = 294,303.54 : x
  2. Step 2: Convert to fraction form
    536,005.32/739,688.77 = 294,303.54/x
  3. Step 3: Cross multiply
    536,005.32x = 739,688.77 × 294,303.54
  4. Step 4: Simplify right side
    536,005.32x = 217,693,023,509.25
  5. Step 5: Solve for x
    x = 217,693,023,509.25/536,005.32
  6. Step 6: Final answer
    x = 406,139.67

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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.