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Finding the Fourth Proportional to 467,315.18, 644,925.34 and 260,606.89

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Solution

The fourth proportional to 467,315.18, 644,925.34 and 260,606.89 is: 359,654.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,315.18 : 644,925.34 = 260,606.89 : x
  2. Step 2: Convert to fraction form
    467,315.18/644,925.34 = 260,606.89/x
  3. Step 3: Cross multiply
    467,315.18x = 644,925.34 × 260,606.89
  4. Step 4: Simplify right side
    467,315.18x = 168,071,987,139.59
  5. Step 5: Solve for x
    x = 168,071,987,139.59/467,315.18
  6. Step 6: Final answer
    x = 359,654.46

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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.