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Finding the Fourth Proportional to 267,398.55, 369,020.25 and 152,695.89

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Solution

The fourth proportional to 267,398.55, 369,020.25 and 152,695.89 is: 210,726.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,398.55 : 369,020.25 = 152,695.89 : x
  2. Step 2: Convert to fraction form
    267,398.55/369,020.25 = 152,695.89/x
  3. Step 3: Cross multiply
    267,398.55x = 369,020.25 × 152,695.89
  4. Step 4: Simplify right side
    267,398.55x = 56,347,875,501.77
  5. Step 5: Solve for x
    x = 56,347,875,501.77/267,398.55
  6. Step 6: Final answer
    x = 210,726.18

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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.