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Finding the Fourth Proportional to 432,345.83, 596,886.28 and 287,348.24

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Solution

The fourth proportional to 432,345.83, 596,886.28 and 287,348.24 is: 396,706.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,345.83 : 596,886.28 = 287,348.24 : x
  2. Step 2: Convert to fraction form
    432,345.83/596,886.28 = 287,348.24/x
  3. Step 3: Cross multiply
    432,345.83x = 596,886.28 × 287,348.24
  4. Step 4: Simplify right side
    432,345.83x = 171,514,222,038.15
  5. Step 5: Solve for x
    x = 171,514,222,038.15/432,345.83
  6. Step 6: Final answer
    x = 396,706.09

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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.