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Finding the Fourth Proportional to 473,679.20, 710,518.80 and 470,914.40

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Solution

The fourth proportional to 473,679.20, 710,518.80 and 470,914.40 is: 706,371.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,679.20 : 710,518.80 = 470,914.40 : x
  2. Step 2: Convert to fraction form
    473,679.20/710,518.80 = 470,914.40/x
  3. Step 3: Cross multiply
    473,679.20x = 710,518.80 × 470,914.40
  4. Step 4: Simplify right side
    473,679.20x = 334,593,534,390.72
  5. Step 5: Solve for x
    x = 334,593,534,390.72/473,679.20
  6. Step 6: Final answer
    x = 706,371.60

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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.