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Finding the Fourth Proportional to 473,888.40, 653,963.59 and 259,040.76

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Solution

The fourth proportional to 473,888.40, 653,963.59 and 259,040.76 is: 357,474.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,888.40 : 653,963.59 = 259,040.76 : x
  2. Step 2: Convert to fraction form
    473,888.40/653,963.59 = 259,040.76/x
  3. Step 3: Cross multiply
    473,888.40x = 653,963.59 × 259,040.76
  4. Step 4: Simplify right side
    473,888.40x = 169,403,225,365.93
  5. Step 5: Solve for x
    x = 169,403,225,365.93/473,888.40
  6. Step 6: Final answer
    x = 357,474.94

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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.