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Finding the Fourth Proportional to 364,547.60, 546,821.40 and 335,679.20

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Solution

The fourth proportional to 364,547.60, 546,821.40 and 335,679.20 is: 503,518.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,547.60 : 546,821.40 = 335,679.20 : x
  2. Step 2: Convert to fraction form
    364,547.60/546,821.40 = 335,679.20/x
  3. Step 3: Cross multiply
    364,547.60x = 546,821.40 × 335,679.20
  4. Step 4: Simplify right side
    364,547.60x = 183,556,570,094.88
  5. Step 5: Solve for x
    x = 183,556,570,094.88/364,547.60
  6. Step 6: Final answer
    x = 503,518.80

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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.