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Finding the Fourth Proportional to 315,895.52, 435,653.52 and 262,095.32

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Solution

The fourth proportional to 315,895.52, 435,653.52 and 262,095.32 is: 361,457.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,895.52 : 435,653.52 = 262,095.32 : x
  2. Step 2: Convert to fraction form
    315,895.52/435,653.52 = 262,095.32/x
  3. Step 3: Cross multiply
    315,895.52x = 435,653.52 × 262,095.32
  4. Step 4: Simplify right side
    315,895.52x = 114,182,748,733.53
  5. Step 5: Solve for x
    x = 114,182,748,733.53/315,895.52
  6. Step 6: Final answer
    x = 361,457.32

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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.