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Finding the Fourth Proportional to 847,858.40, 1,168,875.16 and 676,358

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Solution

The fourth proportional to 847,858.40, 1,168,875.16 and 676,358 is: 932,441.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,858.40 : 1,168,875.16 = 676,358 : x
  2. Step 2: Convert to fraction form
    847,858.40/1,168,875.16 = 676,358/x
  3. Step 3: Cross multiply
    847,858.40x = 1,168,875.16 × 676,358
  4. Step 4: Simplify right side
    847,858.40x = 790,578,065,467.28
  5. Step 5: Solve for x
    x = 790,578,065,467.28/847,858.40
  6. Step 6: Final answer
    x = 932,441.15

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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.