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Finding the Fourth Proportional to 595,075.91, 820,972.46 and 340,290.95

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Solution

The fourth proportional to 595,075.91, 820,972.46 and 340,290.95 is: 469,468.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,075.91 : 820,972.46 = 340,290.95 : x
  2. Step 2: Convert to fraction form
    595,075.91/820,972.46 = 340,290.95/x
  3. Step 3: Cross multiply
    595,075.91x = 820,972.46 × 340,290.95
  4. Step 4: Simplify right side
    595,075.91x = 279,369,495,083.10
  5. Step 5: Solve for x
    x = 279,369,495,083.10/595,075.91
  6. Step 6: Final answer
    x = 469,468.67

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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.