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Finding the Fourth Proportional to 530,199.60, 794,327.40 and 249,097.20

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Solution

The fourth proportional to 530,199.60, 794,327.40 and 249,097.20 is: 373,189.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,199.60 : 794,327.40 = 249,097.20 : x
  2. Step 2: Convert to fraction form
    530,199.60/794,327.40 = 249,097.20/x
  3. Step 3: Cross multiply
    530,199.60x = 794,327.40 × 249,097.20
  4. Step 4: Simplify right side
    530,199.60x = 197,864,731,223.28
  5. Step 5: Solve for x
    x = 197,864,731,223.28/530,199.60
  6. Step 6: Final answer
    x = 373,189.14

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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.