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Finding the Fourth Proportional to 533,493.72, 736,210.98 and 291,775.52

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Solution

The fourth proportional to 533,493.72, 736,210.98 and 291,775.52 is: 402,644.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,493.72 : 736,210.98 = 291,775.52 : x
  2. Step 2: Convert to fraction form
    533,493.72/736,210.98 = 291,775.52/x
  3. Step 3: Cross multiply
    533,493.72x = 736,210.98 × 291,775.52
  4. Step 4: Simplify right side
    533,493.72x = 214,808,341,519.21
  5. Step 5: Solve for x
    x = 214,808,341,519.21/533,493.72
  6. Step 6: Final answer
    x = 402,644.56

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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.