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Finding the Fourth Proportional to 583,702.17, 805,474.28 and 338,667.95

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Solution

The fourth proportional to 583,702.17, 805,474.28 and 338,667.95 is: 467,341.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,702.17 : 805,474.28 = 338,667.95 : x
  2. Step 2: Convert to fraction form
    583,702.17/805,474.28 = 338,667.95/x
  3. Step 3: Cross multiply
    583,702.17x = 805,474.28 × 338,667.95
  4. Step 4: Simplify right side
    583,702.17x = 272,788,319,157.96
  5. Step 5: Solve for x
    x = 272,788,319,157.96/583,702.17
  6. Step 6: Final answer
    x = 467,341.62

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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.