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Finding the Fourth Proportional to 954,490, 1,316,114.04 and 609,870.64

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Solution

The fourth proportional to 954,490, 1,316,114.04 and 609,870.64 is: 840,930.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,490 : 1,316,114.04 = 609,870.64 : x
  2. Step 2: Convert to fraction form
    954,490/1,316,114.04 = 609,870.64/x
  3. Step 3: Cross multiply
    954,490x = 1,316,114.04 × 609,870.64
  4. Step 4: Simplify right side
    954,490x = 802,659,311,887.79
  5. Step 5: Solve for x
    x = 802,659,311,887.79/954,490
  6. Step 6: Final answer
    x = 840,930.04

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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.