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Finding the Fourth Proportional to 528,071.36, 792,314.40 and 232,376

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Solution

The fourth proportional to 528,071.36, 792,314.40 and 232,376 is: 348,655.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,071.36 : 792,314.40 = 232,376 : x
  2. Step 2: Convert to fraction form
    528,071.36/792,314.40 = 232,376/x
  3. Step 3: Cross multiply
    528,071.36x = 792,314.40 × 232,376
  4. Step 4: Simplify right side
    528,071.36x = 184,114,851,014.40
  5. Step 5: Solve for x
    x = 184,114,851,014.40/528,071.36
  6. Step 6: Final answer
    x = 348,655.25

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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.