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Finding the Fourth Proportional to 398,019.84, 549,221.04 and 236,927.04

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Solution

The fourth proportional to 398,019.84, 549,221.04 and 236,927.04 is: 326,931.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,019.84 : 549,221.04 = 236,927.04 : x
  2. Step 2: Convert to fraction form
    398,019.84/549,221.04 = 236,927.04/x
  3. Step 3: Cross multiply
    398,019.84x = 549,221.04 × 236,927.04
  4. Step 4: Simplify right side
    398,019.84x = 130,125,315,312.92
  5. Step 5: Solve for x
    x = 130,125,315,312.92/398,019.84
  6. Step 6: Final answer
    x = 326,931.73

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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.