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Finding the Fourth Proportional to 353,595.48, 488,142.54 and 272,841.72

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Solution

The fourth proportional to 353,595.48, 488,142.54 and 272,841.72 is: 376,661.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,595.48 : 488,142.54 = 272,841.72 : x
  2. Step 2: Convert to fraction form
    353,595.48/488,142.54 = 272,841.72/x
  3. Step 3: Cross multiply
    353,595.48x = 488,142.54 × 272,841.72
  4. Step 4: Simplify right side
    353,595.48x = 133,185,650,218.77
  5. Step 5: Solve for x
    x = 133,185,650,218.77/353,595.48
  6. Step 6: Final answer
    x = 376,661.07

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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.