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Finding the Fourth Proportional to 585,146,130.30, 877,719,195.45 and 585,146,130.30

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Solution

The fourth proportional to 585,146,130.30, 877,719,195.45 and 585,146,130.30 is: 877,719,195.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,146,130.30 : 877,719,195.45 = 585,146,130.30 : x
  2. Step 2: Convert to fraction form
    585,146,130.30/877,719,195.45 = 585,146,130.30/x
  3. Step 3: Cross multiply
    585,146,130.30x = 877,719,195.45 × 585,146,130.30
  4. Step 4: Simplify right side
    585,146,130.30x = 513,593,990,707,596,864
  5. Step 5: Solve for x
    x = 513,593,990,707,596,864/585,146,130.30
  6. Step 6: Final answer
    x = 877,719,195.45

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Double scale
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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.