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Finding the Fourth Proportional to 328,835.60, 493,253.40 and 222,547.40

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Solution

The fourth proportional to 328,835.60, 493,253.40 and 222,547.40 is: 333,821.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,835.60 : 493,253.40 = 222,547.40 : x
  2. Step 2: Convert to fraction form
    328,835.60/493,253.40 = 222,547.40/x
  3. Step 3: Cross multiply
    328,835.60x = 493,253.40 × 222,547.40
  4. Step 4: Simplify right side
    328,835.60x = 109,772,261,711.16
  5. Step 5: Solve for x
    x = 109,772,261,711.16/328,835.60
  6. Step 6: Final answer
    x = 333,821.10

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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.