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Finding the Fourth Proportional to 611,477.51, 842,450.42 and 473,180.84

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Solution

The fourth proportional to 611,477.51, 842,450.42 and 473,180.84 is: 651,915.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,477.51 : 842,450.42 = 473,180.84 : x
  2. Step 2: Convert to fraction form
    611,477.51/842,450.42 = 473,180.84/x
  3. Step 3: Cross multiply
    611,477.51x = 842,450.42 × 473,180.84
  4. Step 4: Simplify right side
    611,477.51x = 398,631,390,815.80
  5. Step 5: Solve for x
    x = 398,631,390,815.80/611,477.51
  6. Step 6: Final answer
    x = 651,915.05

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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.