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Finding the Fourth Proportional to 543,633.25, 750,193.25 and 301,931.32

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Solution

The fourth proportional to 543,633.25, 750,193.25 and 301,931.32 is: 416,653.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,633.25 : 750,193.25 = 301,931.32 : x
  2. Step 2: Convert to fraction form
    543,633.25/750,193.25 = 301,931.32/x
  3. Step 3: Cross multiply
    543,633.25x = 750,193.25 × 301,931.32
  4. Step 4: Simplify right side
    543,633.25x = 226,506,838,358.98
  5. Step 5: Solve for x
    x = 226,506,838,358.98/543,633.25
  6. Step 6: Final answer
    x = 416,653.76

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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.