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Finding the Fourth Proportional to 488,384.54, 732,458.73 and 133,400.42

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Solution

The fourth proportional to 488,384.54, 732,458.73 and 133,400.42 is: 200,068.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,384.54 : 732,458.73 = 133,400.42 : x
  2. Step 2: Convert to fraction form
    488,384.54/732,458.73 = 133,400.42/x
  3. Step 3: Cross multiply
    488,384.54x = 732,458.73 × 133,400.42
  4. Step 4: Simplify right side
    488,384.54x = 97,710,302,214.67
  5. Step 5: Solve for x
    x = 97,710,302,214.67/488,384.54
  6. Step 6: Final answer
    x = 200,068.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.