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Finding the Fourth Proportional to 434,547.30, 651,626.55 and 168,219.30

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Solution

The fourth proportional to 434,547.30, 651,626.55 and 168,219.30 is: 252,253.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,547.30 : 651,626.55 = 168,219.30 : x
  2. Step 2: Convert to fraction form
    434,547.30/651,626.55 = 168,219.30/x
  3. Step 3: Cross multiply
    434,547.30x = 651,626.55 × 168,219.30
  4. Step 4: Simplify right side
    434,547.30x = 109,616,162,102.42
  5. Step 5: Solve for x
    x = 109,616,162,102.42/434,547.30
  6. Step 6: Final answer
    x = 252,253.70

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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.