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Finding the Fourth Proportional to 375,132.06, 562,697.23 and 289,866.91

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Solution

The fourth proportional to 375,132.06, 562,697.23 and 289,866.91 is: 434,799.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,132.06 : 562,697.23 = 289,866.91 : x
  2. Step 2: Convert to fraction form
    375,132.06/562,697.23 = 289,866.91/x
  3. Step 3: Cross multiply
    375,132.06x = 562,697.23 × 289,866.91
  4. Step 4: Simplify right side
    375,132.06x = 163,107,307,325.66
  5. Step 5: Solve for x
    x = 163,107,307,325.66/375,132.06
  6. Step 6: Final answer
    x = 434,799.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.