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Finding the Fourth Proportional to 549,042, 757,159.56 and 358,201.68

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Solution

The fourth proportional to 549,042, 757,159.56 and 358,201.68 is: 493,980.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,042 : 757,159.56 = 358,201.68 : x
  2. Step 2: Convert to fraction form
    549,042/757,159.56 = 358,201.68/x
  3. Step 3: Cross multiply
    549,042x = 757,159.56 × 358,201.68
  4. Step 4: Simplify right side
    549,042x = 271,215,826,420.06
  5. Step 5: Solve for x
    x = 271,215,826,420.06/549,042
  6. Step 6: Final answer
    x = 493,980.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.