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Finding the Fourth Proportional to 978,055.90, 1,465,701.45 and 602,964.70

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Solution

The fourth proportional to 978,055.90, 1,465,701.45 and 602,964.70 is: 903,594.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,055.90 : 1,465,701.45 = 602,964.70 : x
  2. Step 2: Convert to fraction form
    978,055.90/1,465,701.45 = 602,964.70/x
  3. Step 3: Cross multiply
    978,055.90x = 1,465,701.45 × 602,964.70
  4. Step 4: Simplify right side
    978,055.90x = 883,766,235,088.82
  5. Step 5: Solve for x
    x = 883,766,235,088.82/978,055.90
  6. Step 6: Final answer
    x = 903,594.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.