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Finding the Fourth Proportional to 366,417.90, 549,626.85 and 303,432.30

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Solution

The fourth proportional to 366,417.90, 549,626.85 and 303,432.30 is: 455,148.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,417.90 : 549,626.85 = 303,432.30 : x
  2. Step 2: Convert to fraction form
    366,417.90/549,626.85 = 303,432.30/x
  3. Step 3: Cross multiply
    366,417.90x = 549,626.85 × 303,432.30
  4. Step 4: Simplify right side
    366,417.90x = 166,774,539,237.26
  5. Step 5: Solve for x
    x = 166,774,539,237.26/366,417.90
  6. Step 6: Final answer
    x = 455,148.45

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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.