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Finding the Fourth Proportional to 366,415.40, 549,623.10 and 366,415.40

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Solution

The fourth proportional to 366,415.40, 549,623.10 and 366,415.40 is: 549,623.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,415.40 : 549,623.10 = 366,415.40 : x
  2. Step 2: Convert to fraction form
    366,415.40/549,623.10 = 366,415.40/x
  3. Step 3: Cross multiply
    366,415.40x = 549,623.10 × 366,415.40
  4. Step 4: Simplify right side
    366,415.40x = 201,390,368,035.74
  5. Step 5: Solve for x
    x = 201,390,368,035.74/366,415.40
  6. Step 6: Final answer
    x = 549,623.10

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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.