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Finding the Fourth Proportional to 472,168.08, 651,575.40 and 257,303.76

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Solution

The fourth proportional to 472,168.08, 651,575.40 and 257,303.76 is: 355,070.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,168.08 : 651,575.40 = 257,303.76 : x
  2. Step 2: Convert to fraction form
    472,168.08/651,575.40 = 257,303.76/x
  3. Step 3: Cross multiply
    472,168.08x = 651,575.40 × 257,303.76
  4. Step 4: Simplify right side
    472,168.08x = 167,652,800,343.50
  5. Step 5: Solve for x
    x = 167,652,800,343.50/472,168.08
  6. Step 6: Final answer
    x = 355,070.17

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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.