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Finding the Fourth Proportional to 707,772.60, 1,059,585.30 and 624,828.60

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Solution

The fourth proportional to 707,772.60, 1,059,585.30 and 624,828.60 is: 935,412.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,772.60 : 1,059,585.30 = 624,828.60 : x
  2. Step 2: Convert to fraction form
    707,772.60/1,059,585.30 = 624,828.60/x
  3. Step 3: Cross multiply
    707,772.60x = 1,059,585.30 × 624,828.60
  4. Step 4: Simplify right side
    707,772.60x = 662,059,199,579.58
  5. Step 5: Solve for x
    x = 662,059,199,579.58/707,772.60
  6. Step 6: Final answer
    x = 935,412.31

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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.