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Finding the Fourth Proportional to 576,720.30, 864,043.65 and 470,966.70

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Solution

The fourth proportional to 576,720.30, 864,043.65 and 470,966.70 is: 705,603.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,720.30 : 864,043.65 = 470,966.70 : x
  2. Step 2: Convert to fraction form
    576,720.30/864,043.65 = 470,966.70/x
  3. Step 3: Cross multiply
    576,720.30x = 864,043.65 × 470,966.70
  4. Step 4: Simplify right side
    576,720.30x = 406,935,786,496.46
  5. Step 5: Solve for x
    x = 406,935,786,496.46/576,720.30
  6. Step 6: Final answer
    x = 705,603.37

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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.