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Finding the Fourth Proportional to 572,598.60, 858,206.70 and 291,971.40

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Solution

The fourth proportional to 572,598.60, 858,206.70 and 291,971.40 is: 437,604.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,598.60 : 858,206.70 = 291,971.40 : x
  2. Step 2: Convert to fraction form
    572,598.60/858,206.70 = 291,971.40/x
  3. Step 3: Cross multiply
    572,598.60x = 858,206.70 × 291,971.40
  4. Step 4: Simplify right side
    572,598.60x = 250,571,811,688.38
  5. Step 5: Solve for x
    x = 250,571,811,688.38/572,598.60
  6. Step 6: Final answer
    x = 437,604.65

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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.