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Finding the Fourth Proportional to 592,395.40, 890,666.70 and 579,953.80

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Solution

The fourth proportional to 592,395.40, 890,666.70 and 579,953.80 is: 871,960.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,395.40 : 890,666.70 = 579,953.80 : x
  2. Step 2: Convert to fraction form
    592,395.40/890,666.70 = 579,953.80/x
  3. Step 3: Cross multiply
    592,395.40x = 890,666.70 × 579,953.80
  4. Step 4: Simplify right side
    592,395.40x = 516,545,537,198.46
  5. Step 5: Solve for x
    x = 516,545,537,198.46/592,395.40
  6. Step 6: Final answer
    x = 871,960.75

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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.