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Finding the Fourth Proportional to 600,342.08, 828,437.28 and 328,355.60

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Solution

The fourth proportional to 600,342.08, 828,437.28 and 328,355.60 is: 453,111.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,342.08 : 828,437.28 = 328,355.60 : x
  2. Step 2: Convert to fraction form
    600,342.08/828,437.28 = 328,355.60/x
  3. Step 3: Cross multiply
    600,342.08x = 828,437.28 × 328,355.60
  4. Step 4: Simplify right side
    600,342.08x = 272,022,020,136.77
  5. Step 5: Solve for x
    x = 272,022,020,136.77/600,342.08
  6. Step 6: Final answer
    x = 453,111.70

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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.