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Finding the Fourth Proportional to 1,602,888.04, 2,211,985.50 and 923,868.28

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Solution

The fourth proportional to 1,602,888.04, 2,211,985.50 and 923,868.28 is: 1,274,938.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,602,888.04 : 2,211,985.50 = 923,868.28 : x
  2. Step 2: Convert to fraction form
    1,602,888.04/2,211,985.50 = 923,868.28/x
  3. Step 3: Cross multiply
    1,602,888.04x = 2,211,985.50 × 923,868.28
  4. Step 4: Simplify right side
    1,602,888.04x = 2,043,583,239,269.94
  5. Step 5: Solve for x
    x = 2,043,583,239,269.94/1,602,888.04
  6. Step 6: Final answer
    x = 1,274,938.23

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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.