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Finding the Fourth Proportional to 366,316.30, 549,474.45 and 260,028.10

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Solution

The fourth proportional to 366,316.30, 549,474.45 and 260,028.10 is: 390,042.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,316.30 : 549,474.45 = 260,028.10 : x
  2. Step 2: Convert to fraction form
    366,316.30/549,474.45 = 260,028.10/x
  3. Step 3: Cross multiply
    366,316.30x = 549,474.45 × 260,028.10
  4. Step 4: Simplify right side
    366,316.30x = 142,878,797,232.05
  5. Step 5: Solve for x
    x = 142,878,797,232.05/366,316.30
  6. Step 6: Final answer
    x = 390,042.15

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1.5x scale

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.