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Finding the Fourth Proportional to 533,847.65, 736,709.68 and 292,130.25

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Solution

The fourth proportional to 533,847.65, 736,709.68 and 292,130.25 is: 403,139.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,847.65 : 736,709.68 = 292,130.25 : x
  2. Step 2: Convert to fraction form
    533,847.65/736,709.68 = 292,130.25/x
  3. Step 3: Cross multiply
    533,847.65x = 736,709.68 × 292,130.25
  4. Step 4: Simplify right side
    533,847.65x = 215,215,180,598.32
  5. Step 5: Solve for x
    x = 215,215,180,598.32/533,847.65
  6. Step 6: Final answer
    x = 403,139.70

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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.