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Finding the Fourth Proportional to 368,587.44, 508,455.58 and 253,666.57

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Solution

The fourth proportional to 368,587.44, 508,455.58 and 253,666.57 is: 349,925.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,587.44 : 508,455.58 = 253,666.57 : x
  2. Step 2: Convert to fraction form
    368,587.44/508,455.58 = 253,666.57/x
  3. Step 3: Cross multiply
    368,587.44x = 508,455.58 × 253,666.57
  4. Step 4: Simplify right side
    368,587.44x = 128,978,180,433.68
  5. Step 5: Solve for x
    x = 128,978,180,433.68/368,587.44
  6. Step 6: Final answer
    x = 349,925.60

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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.