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Finding the Fourth Proportional to 287,154.84, 395,848.74 and 183,777.64

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Solution

The fourth proportional to 287,154.84, 395,848.74 and 183,777.64 is: 253,341.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,154.84 : 395,848.74 = 183,777.64 : x
  2. Step 2: Convert to fraction form
    287,154.84/395,848.74 = 183,777.64/x
  3. Step 3: Cross multiply
    287,154.84x = 395,848.74 × 183,777.64
  4. Step 4: Simplify right side
    287,154.84x = 72,748,147,234.17
  5. Step 5: Solve for x
    x = 72,748,147,234.17/287,154.84
  6. Step 6: Final answer
    x = 253,341.18

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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.