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Finding the Fourth Proportional to 583,613.28, 805,511.52 and 368,616.60

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Solution

The fourth proportional to 583,613.28, 805,511.52 and 368,616.60 is: 508,769.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,613.28 : 805,511.52 = 368,616.60 : x
  2. Step 2: Convert to fraction form
    583,613.28/805,511.52 = 368,616.60/x
  3. Step 3: Cross multiply
    583,613.28x = 805,511.52 × 368,616.60
  4. Step 4: Simplify right side
    583,613.28x = 296,924,917,763.23
  5. Step 5: Solve for x
    x = 296,924,917,763.23/583,613.28
  6. Step 6: Final answer
    x = 508,769.98

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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.