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Finding the Fourth Proportional to 473,314.80, 709,869.80 and 207,074.80

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Solution

The fourth proportional to 473,314.80, 709,869.80 and 207,074.80 is: 310,567.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,314.80 : 709,869.80 = 207,074.80 : x
  2. Step 2: Convert to fraction form
    473,314.80/709,869.80 = 207,074.80/x
  3. Step 3: Cross multiply
    473,314.80x = 709,869.80 × 207,074.80
  4. Step 4: Simplify right side
    473,314.80x = 146,996,146,861.04
  5. Step 5: Solve for x
    x = 146,996,146,861.04/473,314.80
  6. Step 6: Final answer
    x = 310,567.40

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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.