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Finding the Fourth Proportional to 868,528, 1,198,638.08 and 510,901.12

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Solution

The fourth proportional to 868,528, 1,198,638.08 and 510,901.12 is: 705,084.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,528 : 1,198,638.08 = 510,901.12 : x
  2. Step 2: Convert to fraction form
    868,528/1,198,638.08 = 510,901.12/x
  3. Step 3: Cross multiply
    868,528x = 1,198,638.08 × 510,901.12
  4. Step 4: Simplify right side
    868,528x = 612,385,537,546.65
  5. Step 5: Solve for x
    x = 612,385,537,546.65/868,528
  6. Step 6: Final answer
    x = 705,084.39

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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.