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Finding the Fourth Proportional to 366,351.40, 549,527.10 and 260,063.20

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Solution

The fourth proportional to 366,351.40, 549,527.10 and 260,063.20 is: 390,094.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,351.40 : 549,527.10 = 260,063.20 : x
  2. Step 2: Convert to fraction form
    366,351.40/549,527.10 = 260,063.20/x
  3. Step 3: Cross multiply
    366,351.40x = 549,527.10 × 260,063.20
  4. Step 4: Simplify right side
    366,351.40x = 142,911,776,112.72
  5. Step 5: Solve for x
    x = 142,911,776,112.72/366,351.40
  6. Step 6: Final answer
    x = 390,094.80

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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.