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Finding the Fourth Proportional to 364,020.30, 546,030.45 and 127,386.90

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Solution

The fourth proportional to 364,020.30, 546,030.45 and 127,386.90 is: 191,080.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,020.30 : 546,030.45 = 127,386.90 : x
  2. Step 2: Convert to fraction form
    364,020.30/546,030.45 = 127,386.90/x
  3. Step 3: Cross multiply
    364,020.30x = 546,030.45 × 127,386.90
  4. Step 4: Simplify right side
    364,020.30x = 69,557,126,331.11
  5. Step 5: Solve for x
    x = 69,557,126,331.11/364,020.30
  6. Step 6: Final answer
    x = 191,080.35

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Similar ratio
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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.