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Finding the Fourth Proportional to 334,416.20, 501,624.30 and 147,792.20

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Solution

The fourth proportional to 334,416.20, 501,624.30 and 147,792.20 is: 221,688.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,416.20 : 501,624.30 = 147,792.20 : x
  2. Step 2: Convert to fraction form
    334,416.20/501,624.30 = 147,792.20/x
  3. Step 3: Cross multiply
    334,416.20x = 501,624.30 × 147,792.20
  4. Step 4: Simplify right side
    334,416.20x = 74,136,158,870.46
  5. Step 5: Solve for x
    x = 74,136,158,870.46/334,416.20
  6. Step 6: Final answer
    x = 221,688.30

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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.