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Finding the Fourth Proportional to 295,258.90, 442,888.35 and 170,454.10

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Solution

The fourth proportional to 295,258.90, 442,888.35 and 170,454.10 is: 255,681.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,258.90 : 442,888.35 = 170,454.10 : x
  2. Step 2: Convert to fraction form
    295,258.90/442,888.35 = 170,454.10/x
  3. Step 3: Cross multiply
    295,258.90x = 442,888.35 × 170,454.10
  4. Step 4: Simplify right side
    295,258.90x = 75,492,135,099.74
  5. Step 5: Solve for x
    x = 75,492,135,099.74/295,258.90
  6. Step 6: Final answer
    x = 255,681.15

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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.