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Finding the Fourth Proportional to 461,502.04, 636,904.74 and 257,592.64

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Solution

The fourth proportional to 461,502.04, 636,904.74 and 257,592.64 is: 355,495.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,502.04 : 636,904.74 = 257,592.64 : x
  2. Step 2: Convert to fraction form
    461,502.04/636,904.74 = 257,592.64/x
  3. Step 3: Cross multiply
    461,502.04x = 636,904.74 × 257,592.64
  4. Step 4: Simplify right side
    461,502.04x = 164,061,973,405.11
  5. Step 5: Solve for x
    x = 164,061,973,405.11/461,502.04
  6. Step 6: Final answer
    x = 355,495.66

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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.