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Finding the Fourth Proportional to 468,161.42, 646,058.16 and 253,296.77

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Solution

The fourth proportional to 468,161.42, 646,058.16 and 253,296.77 is: 349,547.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,161.42 : 646,058.16 = 253,296.77 : x
  2. Step 2: Convert to fraction form
    468,161.42/646,058.16 = 253,296.77/x
  3. Step 3: Cross multiply
    468,161.42x = 646,058.16 × 253,296.77
  4. Step 4: Simplify right side
    468,161.42x = 163,644,441,929.85
  5. Step 5: Solve for x
    x = 163,644,441,929.85/468,161.42
  6. Step 6: Final answer
    x = 349,547.05

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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.