Home / 352,018.32-528,026.40-304,492.05

Finding the Fourth Proportional to 352,018.32, 528,026.40 and 304,492.05

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Solution

The fourth proportional to 352,018.32, 528,026.40 and 304,492.05 is: 456,737.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,018.32 : 528,026.40 = 304,492.05 : x
  2. Step 2: Convert to fraction form
    352,018.32/528,026.40 = 304,492.05/x
  3. Step 3: Cross multiply
    352,018.32x = 528,026.40 × 304,492.05
  4. Step 4: Simplify right side
    352,018.32x = 160,779,840,990.12
  5. Step 5: Solve for x
    x = 160,779,840,990.12/352,018.32
  6. Step 6: Final answer
    x = 456,737.14

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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.