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Finding the Fourth Proportional to 335,148.80, 469,830.40 and 335,148.80

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Solution

The fourth proportional to 335,148.80, 469,830.40 and 335,148.80 is: 469,830.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,148.80 : 469,830.40 = 335,148.80 : x
  2. Step 2: Convert to fraction form
    335,148.80/469,830.40 = 335,148.80/x
  3. Step 3: Cross multiply
    335,148.80x = 469,830.40 × 335,148.80
  4. Step 4: Simplify right side
    335,148.80x = 157,463,094,763.52
  5. Step 5: Solve for x
    x = 157,463,094,763.52/335,148.80
  6. Step 6: Final answer
    x = 469,830.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.