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Finding the Fourth Proportional to 533,516.64, 736,242.59 and 291,798.47

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Solution

The fourth proportional to 533,516.64, 736,242.59 and 291,798.47 is: 402,676.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,516.64 : 736,242.59 = 291,798.47 : x
  2. Step 2: Convert to fraction form
    533,516.64/736,242.59 = 291,798.47/x
  3. Step 3: Cross multiply
    533,516.64x = 736,242.59 × 291,798.47
  4. Step 4: Simplify right side
    533,516.64x = 214,834,456,170.63
  5. Step 5: Solve for x
    x = 214,834,456,170.63/533,516.64
  6. Step 6: Final answer
    x = 402,676.21

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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.