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Finding the Fourth Proportional to 328,562.34, 453,065.95 and 259,530.47

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Solution

The fourth proportional to 328,562.34, 453,065.95 and 259,530.47 is: 357,875.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,562.34 : 453,065.95 = 259,530.47 : x
  2. Step 2: Convert to fraction form
    328,562.34/453,065.95 = 259,530.47/x
  3. Step 3: Cross multiply
    328,562.34x = 453,065.95 × 259,530.47
  4. Step 4: Simplify right side
    328,562.34x = 117,584,416,030.34
  5. Step 5: Solve for x
    x = 117,584,416,030.34/328,562.34
  6. Step 6: Final answer
    x = 357,875.51

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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.