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Finding the Fourth Proportional to 261,254.91, 360,502.95 and 146,509.94

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Solution

The fourth proportional to 261,254.91, 360,502.95 and 146,509.94 is: 202,167.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,254.91 : 360,502.95 = 146,509.94 : x
  2. Step 2: Convert to fraction form
    261,254.91/360,502.95 = 146,509.94/x
  3. Step 3: Cross multiply
    261,254.91x = 360,502.95 × 146,509.94
  4. Step 4: Simplify right side
    261,254.91x = 52,817,265,315.73
  5. Step 5: Solve for x
    x = 52,817,265,315.73/261,254.91
  6. Step 6: Final answer
    x = 202,167.55

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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.