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Finding the Fourth Proportional to 328,545.77, 453,365.91 and 185,341.01

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Solution

The fourth proportional to 328,545.77, 453,365.91 and 185,341.01 is: 255,755.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,545.77 : 453,365.91 = 185,341.01 : x
  2. Step 2: Convert to fraction form
    328,545.77/453,365.91 = 185,341.01/x
  3. Step 3: Cross multiply
    328,545.77x = 453,365.91 × 185,341.01
  4. Step 4: Simplify right side
    328,545.77x = 84,027,293,392.14
  5. Step 5: Solve for x
    x = 84,027,293,392.14/328,545.77
  6. Step 6: Final answer
    x = 255,755.22

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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.