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Finding the Fourth Proportional to 713,407.20, 1,068,361.20 and 475,461.60

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Solution

The fourth proportional to 713,407.20, 1,068,361.20 and 475,461.60 is: 712,026.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,407.20 : 1,068,361.20 = 475,461.60 : x
  2. Step 2: Convert to fraction form
    713,407.20/1,068,361.20 = 475,461.60/x
  3. Step 3: Cross multiply
    713,407.20x = 1,068,361.20 × 475,461.60
  4. Step 4: Simplify right side
    713,407.20x = 507,964,725,529.92
  5. Step 5: Solve for x
    x = 507,964,725,529.92/713,407.20
  6. Step 6: Final answer
    x = 712,026.35

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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.