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Finding the Fourth Proportional to 676,117.49, 933,013.22 and 370,188.27

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Solution

The fourth proportional to 676,117.49, 933,013.22 and 370,188.27 is: 510,843.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,117.49 : 933,013.22 = 370,188.27 : x
  2. Step 2: Convert to fraction form
    676,117.49/933,013.22 = 370,188.27/x
  3. Step 3: Cross multiply
    676,117.49x = 933,013.22 × 370,188.27
  4. Step 4: Simplify right side
    676,117.49x = 345,390,547,947.99
  5. Step 5: Solve for x
    x = 345,390,547,947.99/676,117.49
  6. Step 6: Final answer
    x = 510,843.98

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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.