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Finding the Fourth Proportional to 434,580.60, 651,870.90 and 382,049.40

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Solution

The fourth proportional to 434,580.60, 651,870.90 and 382,049.40 is: 573,074.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,580.60 : 651,870.90 = 382,049.40 : x
  2. Step 2: Convert to fraction form
    434,580.60/651,870.90 = 382,049.40/x
  3. Step 3: Cross multiply
    434,580.60x = 651,870.90 × 382,049.40
  4. Step 4: Simplify right side
    434,580.60x = 249,046,886,222.46
  5. Step 5: Solve for x
    x = 249,046,886,222.46/434,580.60
  6. Step 6: Final answer
    x = 573,074.10

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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.