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Finding the Fourth Proportional to 1,054,935,425.16, 1,582,000,905.21 and 355,239,701.10

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Solution

The fourth proportional to 1,054,935,425.16, 1,582,000,905.21 and 355,239,701.10 is: 532,724,103.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,935,425.16 : 1,582,000,905.21 = 355,239,701.10 : x
  2. Step 2: Convert to fraction form
    1,054,935,425.16/1,582,000,905.21 = 355,239,701.10/x
  3. Step 3: Cross multiply
    1,054,935,425.16x = 1,582,000,905.21 × 355,239,701.10
  4. Step 4: Simplify right side
    1,054,935,425.16x = 561,989,528,706,729,856
  5. Step 5: Solve for x
    x = 561,989,528,706,729,856/1,054,935,425.16
  6. Step 6: Final answer
    x = 532,724,103.58

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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.