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Finding the Fourth Proportional to 1,758,276, 2,426,420.88 and 953,460

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Solution

The fourth proportional to 1,758,276, 2,426,420.88 and 953,460 is: 1,315,774.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,758,276 : 2,426,420.88 = 953,460 : x
  2. Step 2: Convert to fraction form
    1,758,276/2,426,420.88 = 953,460/x
  3. Step 3: Cross multiply
    1,758,276x = 2,426,420.88 × 953,460
  4. Step 4: Simplify right side
    1,758,276x = 2,313,495,252,244.80
  5. Step 5: Solve for x
    x = 2,313,495,252,244.80/1,758,276
  6. Step 6: Final answer
    x = 1,315,774.80

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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.