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Finding the Fourth Proportional to 366,005.40, 549,008.10 and 352,008.60

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Solution

The fourth proportional to 366,005.40, 549,008.10 and 352,008.60 is: 528,012.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,005.40 : 549,008.10 = 352,008.60 : x
  2. Step 2: Convert to fraction form
    366,005.40/549,008.10 = 352,008.60/x
  3. Step 3: Cross multiply
    366,005.40x = 549,008.10 × 352,008.60
  4. Step 4: Simplify right side
    366,005.40x = 193,255,572,669.66
  5. Step 5: Solve for x
    x = 193,255,572,669.66/366,005.40
  6. Step 6: Final answer
    x = 528,012.90

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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.