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Finding the Fourth Proportional to 555,607.90, 833,800.65 and 356,412.70

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Solution

The fourth proportional to 555,607.90, 833,800.65 and 356,412.70 is: 534,868.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,607.90 : 833,800.65 = 356,412.70 : x
  2. Step 2: Convert to fraction form
    555,607.90/833,800.65 = 356,412.70/x
  3. Step 3: Cross multiply
    555,607.90x = 833,800.65 × 356,412.70
  4. Step 4: Simplify right side
    555,607.90x = 297,177,140,928.26
  5. Step 5: Solve for x
    x = 297,177,140,928.26/555,607.90
  6. Step 6: Final answer
    x = 534,868.46

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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.