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Finding the Fourth Proportional to 366,329.10, 549,493.65 and 260,040.90

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Solution

The fourth proportional to 366,329.10, 549,493.65 and 260,040.90 is: 390,061.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,329.10 : 549,493.65 = 260,040.90 : x
  2. Step 2: Convert to fraction form
    366,329.10/549,493.65 = 260,040.90/x
  3. Step 3: Cross multiply
    366,329.10x = 549,493.65 × 260,040.90
  4. Step 4: Simplify right side
    366,329.10x = 142,890,823,290.29
  5. Step 5: Solve for x
    x = 142,890,823,290.29/366,329.10
  6. Step 6: Final answer
    x = 390,061.35

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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.