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Finding the Fourth Proportional to 570,194.80, 855,482.24 and 191,153.04

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Solution

The fourth proportional to 570,194.80, 855,482.24 and 191,153.04 is: 286,793.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,194.80 : 855,482.24 = 191,153.04 : x
  2. Step 2: Convert to fraction form
    570,194.80/855,482.24 = 191,153.04/x
  3. Step 3: Cross multiply
    570,194.80x = 855,482.24 × 191,153.04
  4. Step 4: Simplify right side
    570,194.80x = 163,528,030,842.01
  5. Step 5: Solve for x
    x = 163,528,030,842.01/570,194.80
  6. Step 6: Final answer
    x = 286,793.27

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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.