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Finding the Fourth Proportional to 555,613.30, 832,435.80 and 470,976.40

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Solution

The fourth proportional to 555,613.30, 832,435.80 and 470,976.40 is: 705,630.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,613.30 : 832,435.80 = 470,976.40 : x
  2. Step 2: Convert to fraction form
    555,613.30/832,435.80 = 470,976.40/x
  3. Step 3: Cross multiply
    555,613.30x = 832,435.80 × 470,976.40
  4. Step 4: Simplify right side
    555,613.30x = 392,057,616,315.12
  5. Step 5: Solve for x
    x = 392,057,616,315.12/555,613.30
  6. Step 6: Final answer
    x = 705,630.37

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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.