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Finding the Fourth Proportional to 398,050.25, 549,220.41 and 333,779.45

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Solution

The fourth proportional to 398,050.25, 549,220.41 and 333,779.45 is: 460,541.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,050.25 : 549,220.41 = 333,779.45 : x
  2. Step 2: Convert to fraction form
    398,050.25/549,220.41 = 333,779.45/x
  3. Step 3: Cross multiply
    398,050.25x = 549,220.41 × 333,779.45
  4. Step 4: Simplify right side
    398,050.25x = 183,318,483,632.47
  5. Step 5: Solve for x
    x = 183,318,483,632.47/398,050.25
  6. Step 6: Final answer
    x = 460,541.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.