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Finding the Fourth Proportional to 624,585.60, 936,738.14 and 287,302.28

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Solution

The fourth proportional to 624,585.60, 936,738.14 and 287,302.28 is: 430,888.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,585.60 : 936,738.14 = 287,302.28 : x
  2. Step 2: Convert to fraction form
    624,585.60/936,738.14 = 287,302.28/x
  3. Step 3: Cross multiply
    624,585.60x = 936,738.14 × 287,302.28
  4. Step 4: Simplify right side
    624,585.60x = 269,126,997,264.76
  5. Step 5: Solve for x
    x = 269,126,997,264.76/624,585.60
  6. Step 6: Final answer
    x = 430,888.89

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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.