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Finding the Fourth Proportional to 473,911.20, 710,866.80 and 473,911.20

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Solution

The fourth proportional to 473,911.20, 710,866.80 and 473,911.20 is: 710,866.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,911.20 : 710,866.80 = 473,911.20 : x
  2. Step 2: Convert to fraction form
    473,911.20/710,866.80 = 473,911.20/x
  3. Step 3: Cross multiply
    473,911.20x = 710,866.80 × 473,911.20
  4. Step 4: Simplify right side
    473,911.20x = 336,887,738,228.16
  5. Step 5: Solve for x
    x = 336,887,738,228.16/473,911.20
  6. Step 6: Final answer
    x = 710,866.80

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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.