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Finding the Fourth Proportional to 434,751.84, 599,445.36 and 402,507.36

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Solution

The fourth proportional to 434,751.84, 599,445.36 and 402,507.36 is: 554,985.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,751.84 : 599,445.36 = 402,507.36 : x
  2. Step 2: Convert to fraction form
    434,751.84/599,445.36 = 402,507.36/x
  3. Step 3: Cross multiply
    434,751.84x = 599,445.36 × 402,507.36
  4. Step 4: Simplify right side
    434,751.84x = 241,281,169,317.85
  5. Step 5: Solve for x
    x = 241,281,169,317.85/434,751.84
  6. Step 6: Final answer
    x = 554,985.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.