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Finding the Fourth Proportional to 364,345.40, 546,117.15 and 127,566.20

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Solution

The fourth proportional to 364,345.40, 546,117.15 and 127,566.20 is: 191,208.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,345.40 : 546,117.15 = 127,566.20 : x
  2. Step 2: Convert to fraction form
    364,345.40/546,117.15 = 127,566.20/x
  3. Step 3: Cross multiply
    364,345.40x = 546,117.15 × 127,566.20
  4. Step 4: Simplify right side
    364,345.40x = 69,666,089,580.33
  5. Step 5: Solve for x
    x = 69,666,089,580.33/364,345.40
  6. Step 6: Final answer
    x = 191,208.92

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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.