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Finding the Fourth Proportional to 346,567.70, 478,258.15 and 193,608.08

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Solution

The fourth proportional to 346,567.70, 478,258.15 and 193,608.08 is: 267,176.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,567.70 : 478,258.15 = 193,608.08 : x
  2. Step 2: Convert to fraction form
    346,567.70/478,258.15 = 193,608.08/x
  3. Step 3: Cross multiply
    346,567.70x = 478,258.15 × 193,608.08
  4. Step 4: Simplify right side
    346,567.70x = 92,594,641,197.81
  5. Step 5: Solve for x
    x = 92,594,641,197.81/346,567.70
  6. Step 6: Final answer
    x = 267,176.20

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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.