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Finding the Fourth Proportional to 676,853.52, 933,810.72 and 404,929.23

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Solution

The fourth proportional to 676,853.52, 933,810.72 and 404,929.23 is: 558,654.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,853.52 : 933,810.72 = 404,929.23 : x
  2. Step 2: Convert to fraction form
    676,853.52/933,810.72 = 404,929.23/x
  3. Step 3: Cross multiply
    676,853.52x = 933,810.72 × 404,929.23
  4. Step 4: Simplify right side
    676,853.52x = 378,127,255,815.35
  5. Step 5: Solve for x
    x = 378,127,255,815.35/676,853.52
  6. Step 6: Final answer
    x = 558,654.49

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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.