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Finding the Fourth Proportional to 849,897, 1,173,911.08 and 616,952.15

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Solution

The fourth proportional to 849,897, 1,173,911.08 and 616,952.15 is: 852,158.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,897 : 1,173,911.08 = 616,952.15 : x
  2. Step 2: Convert to fraction form
    849,897/1,173,911.08 = 616,952.15/x
  3. Step 3: Cross multiply
    849,897x = 1,173,911.08 × 616,952.15
  4. Step 4: Simplify right side
    849,897x = 724,246,966,107.22
  5. Step 5: Solve for x
    x = 724,246,966,107.22/849,897
  6. Step 6: Final answer
    x = 852,158.52

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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.