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Finding the Fourth Proportional to 383,417.10, 575,125.65 and 102,962.70

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Solution

The fourth proportional to 383,417.10, 575,125.65 and 102,962.70 is: 154,444.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,417.10 : 575,125.65 = 102,962.70 : x
  2. Step 2: Convert to fraction form
    383,417.10/575,125.65 = 102,962.70/x
  3. Step 3: Cross multiply
    383,417.10x = 575,125.65 × 102,962.70
  4. Step 4: Simplify right side
    383,417.10x = 59,216,489,763.26
  5. Step 5: Solve for x
    x = 59,216,489,763.26/383,417.10
  6. Step 6: Final answer
    x = 154,444.05

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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.