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Finding the Fourth Proportional to 434,553.60, 651,830.40 and 282,338.40

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Solution

The fourth proportional to 434,553.60, 651,830.40 and 282,338.40 is: 423,507.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,553.60 : 651,830.40 = 282,338.40 : x
  2. Step 2: Convert to fraction form
    434,553.60/651,830.40 = 282,338.40/x
  3. Step 3: Cross multiply
    434,553.60x = 651,830.40 × 282,338.40
  4. Step 4: Simplify right side
    434,553.60x = 184,036,752,207.36
  5. Step 5: Solve for x
    x = 184,036,752,207.36/434,553.60
  6. Step 6: Final answer
    x = 423,507.60

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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.