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Finding the Fourth Proportional to 261,329.61, 360,613.08 and 146,592.30

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Solution

The fourth proportional to 261,329.61, 360,613.08 and 146,592.30 is: 202,285.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,329.61 : 360,613.08 = 146,592.30 : x
  2. Step 2: Convert to fraction form
    261,329.61/360,613.08 = 146,592.30/x
  3. Step 3: Cross multiply
    261,329.61x = 360,613.08 × 146,592.30
  4. Step 4: Simplify right side
    261,329.61x = 52,863,100,807.28
  5. Step 5: Solve for x
    x = 52,863,100,807.28/261,329.61
  6. Step 6: Final answer
    x = 202,285.16

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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.