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Finding the Fourth Proportional to 272,792.61, 376,465.48 and 151,933.93

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Solution

The fourth proportional to 272,792.61, 376,465.48 and 151,933.93 is: 209,675.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,792.61 : 376,465.48 = 151,933.93 : x
  2. Step 2: Convert to fraction form
    272,792.61/376,465.48 = 151,933.93/x
  3. Step 3: Cross multiply
    272,792.61x = 376,465.48 × 151,933.93
  4. Step 4: Simplify right side
    272,792.61x = 57,197,878,383.24
  5. Step 5: Solve for x
    x = 57,197,878,383.24/272,792.61
  6. Step 6: Final answer
    x = 209,675.32

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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.