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Finding the Fourth Proportional to 578,545.76, 798,464.44 and 349,234.76

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Solution

The fourth proportional to 578,545.76, 798,464.44 and 349,234.76 is: 481,987.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,545.76 : 798,464.44 = 349,234.76 : x
  2. Step 2: Convert to fraction form
    578,545.76/798,464.44 = 349,234.76/x
  3. Step 3: Cross multiply
    578,545.76x = 798,464.44 × 349,234.76
  4. Step 4: Simplify right side
    578,545.76x = 278,851,537,071.93
  5. Step 5: Solve for x
    x = 278,851,537,071.93/578,545.76
  6. Step 6: Final answer
    x = 481,987.00

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Half scale
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Double scale
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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.