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Finding the Fourth Proportional to 557,416.10, 836,124.15 and 470,810.90

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Solution

The fourth proportional to 557,416.10, 836,124.15 and 470,810.90 is: 706,216.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,416.10 : 836,124.15 = 470,810.90 : x
  2. Step 2: Convert to fraction form
    557,416.10/836,124.15 = 470,810.90/x
  3. Step 3: Cross multiply
    557,416.10x = 836,124.15 × 470,810.90
  4. Step 4: Simplify right side
    557,416.10x = 393,656,363,573.24
  5. Step 5: Solve for x
    x = 393,656,363,573.24/557,416.10
  6. Step 6: Final answer
    x = 706,216.35

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Double scale
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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.