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Finding the Fourth Proportional to 364,492, 546,742.88 and 127,841.60

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Solution

The fourth proportional to 364,492, 546,742.88 and 127,841.60 is: 191,764.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,492 : 546,742.88 = 127,841.60 : x
  2. Step 2: Convert to fraction form
    364,492/546,742.88 = 127,841.60/x
  3. Step 3: Cross multiply
    364,492x = 546,742.88 × 127,841.60
  4. Step 4: Simplify right side
    364,492x = 69,896,484,567.81
  5. Step 5: Solve for x
    x = 69,896,484,567.81/364,492
  6. Step 6: Final answer
    x = 191,764.11

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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.