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Finding the Fourth Proportional to 366,313.60, 549,470.40 and 260,025.40

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Solution

The fourth proportional to 366,313.60, 549,470.40 and 260,025.40 is: 390,038.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,313.60 : 549,470.40 = 260,025.40 : x
  2. Step 2: Convert to fraction form
    366,313.60/549,470.40 = 260,025.40/x
  3. Step 3: Cross multiply
    366,313.60x = 549,470.40 × 260,025.40
  4. Step 4: Simplify right side
    366,313.60x = 142,876,260,548.16
  5. Step 5: Solve for x
    x = 142,876,260,548.16/366,313.60
  6. Step 6: Final answer
    x = 390,038.10

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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.