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Finding the Fourth Proportional to 342,455.16, 472,562.46 and 191,523

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Solution

The fourth proportional to 342,455.16, 472,562.46 and 191,523 is: 264,287.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,455.16 : 472,562.46 = 191,523 : x
  2. Step 2: Convert to fraction form
    342,455.16/472,562.46 = 191,523/x
  3. Step 3: Cross multiply
    342,455.16x = 472,562.46 × 191,523
  4. Step 4: Simplify right side
    342,455.16x = 90,506,580,026.58
  5. Step 5: Solve for x
    x = 90,506,580,026.58/342,455.16
  6. Step 6: Final answer
    x = 264,287.39

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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.