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Finding the Fourth Proportional to 463,434.40, 695,151.60 and 147,914.40

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Solution

The fourth proportional to 463,434.40, 695,151.60 and 147,914.40 is: 221,871.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,434.40 : 695,151.60 = 147,914.40 : x
  2. Step 2: Convert to fraction form
    463,434.40/695,151.60 = 147,914.40/x
  3. Step 3: Cross multiply
    463,434.40x = 695,151.60 × 147,914.40
  4. Step 4: Simplify right side
    463,434.40x = 102,822,931,823.04
  5. Step 5: Solve for x
    x = 102,822,931,823.04/463,434.40
  6. Step 6: Final answer
    x = 221,871.60

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Similar ratio
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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.