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Finding the Fourth Proportional to 553,832.28, 832,482.54 and 365,502.90

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Solution

The fourth proportional to 553,832.28, 832,482.54 and 365,502.90 is: 549,398.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,832.28 : 832,482.54 = 365,502.90 : x
  2. Step 2: Convert to fraction form
    553,832.28/832,482.54 = 365,502.90/x
  3. Step 3: Cross multiply
    553,832.28x = 832,482.54 × 365,502.90
  4. Step 4: Simplify right side
    553,832.28x = 304,274,782,569.37
  5. Step 5: Solve for x
    x = 304,274,782,569.37/553,832.28
  6. Step 6: Final answer
    x = 549,398.79

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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.