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Finding the Fourth Proportional to 346,569.70, 520,084.95 and 196,809.70

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Solution

The fourth proportional to 346,569.70, 520,084.95 and 196,809.70 is: 295,345.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,569.70 : 520,084.95 = 196,809.70 : x
  2. Step 2: Convert to fraction form
    346,569.70/520,084.95 = 196,809.70/x
  3. Step 3: Cross multiply
    346,569.70x = 520,084.95 × 196,809.70
  4. Step 4: Simplify right side
    346,569.70x = 102,357,762,984.02
  5. Step 5: Solve for x
    x = 102,357,762,984.02/346,569.70
  6. Step 6: Final answer
    x = 295,345.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.