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Finding the Fourth Proportional to 468,170.42, 646,070.58 and 253,305.77

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Solution

The fourth proportional to 468,170.42, 646,070.58 and 253,305.77 is: 349,559.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,170.42 : 646,070.58 = 253,305.77 : x
  2. Step 2: Convert to fraction form
    468,170.42/646,070.58 = 253,305.77/x
  3. Step 3: Cross multiply
    468,170.42x = 646,070.58 × 253,305.77
  4. Step 4: Simplify right side
    468,170.42x = 163,653,402,510.89
  5. Step 5: Solve for x
    x = 163,653,402,510.89/468,170.42
  6. Step 6: Final answer
    x = 349,559.47

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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.