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Finding the Fourth Proportional to 594,011.20, 891,016.80 and 214,931.20

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Solution

The fourth proportional to 594,011.20, 891,016.80 and 214,931.20 is: 322,396.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,011.20 : 891,016.80 = 214,931.20 : x
  2. Step 2: Convert to fraction form
    594,011.20/891,016.80 = 214,931.20/x
  3. Step 3: Cross multiply
    594,011.20x = 891,016.80 × 214,931.20
  4. Step 4: Simplify right side
    594,011.20x = 191,507,310,044.16
  5. Step 5: Solve for x
    x = 191,507,310,044.16/594,011.20
  6. Step 6: Final answer
    x = 322,396.80

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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.