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Finding the Fourth Proportional to 532,072.20, 734,230.22 and 302,598.50

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Solution

The fourth proportional to 532,072.20, 734,230.22 and 302,598.50 is: 417,569.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,072.20 : 734,230.22 = 302,598.50 : x
  2. Step 2: Convert to fraction form
    532,072.20/734,230.22 = 302,598.50/x
  3. Step 3: Cross multiply
    532,072.20x = 734,230.22 × 302,598.50
  4. Step 4: Simplify right side
    532,072.20x = 222,176,963,226.67
  5. Step 5: Solve for x
    x = 222,176,963,226.67/532,072.20
  6. Step 6: Final answer
    x = 417,569.20

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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.