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Finding the Fourth Proportional to 533,668.38, 736,459.74 and 291,946.56

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Solution

The fourth proportional to 533,668.38, 736,459.74 and 291,946.56 is: 402,884.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,668.38 : 736,459.74 = 291,946.56 : x
  2. Step 2: Convert to fraction form
    533,668.38/736,459.74 = 291,946.56/x
  3. Step 3: Cross multiply
    533,668.38x = 736,459.74 × 291,946.56
  4. Step 4: Simplify right side
    533,668.38x = 215,006,887,671.49
  5. Step 5: Solve for x
    x = 215,006,887,671.49/533,668.38
  6. Step 6: Final answer
    x = 402,884.82

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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.