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Finding the Fourth Proportional to 583,907.98, 805,820.62 and 329,253.70

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Solution

The fourth proportional to 583,907.98, 805,820.62 and 329,253.70 is: 454,385.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,907.98 : 805,820.62 = 329,253.70 : x
  2. Step 2: Convert to fraction form
    583,907.98/805,820.62 = 329,253.70/x
  3. Step 3: Cross multiply
    583,907.98x = 805,820.62 × 329,253.70
  4. Step 4: Simplify right side
    583,907.98x = 265,319,420,671.29
  5. Step 5: Solve for x
    x = 265,319,420,671.29/583,907.98
  6. Step 6: Final answer
    x = 454,385.67

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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.