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Finding the Fourth Proportional to 314,935,639.70, 472,403,459.55 and 88,000,855.70

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Solution

The fourth proportional to 314,935,639.70, 472,403,459.55 and 88,000,855.70 is: 132,001,283.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,935,639.70 : 472,403,459.55 = 88,000,855.70 : x
  2. Step 2: Convert to fraction form
    314,935,639.70/472,403,459.55 = 88,000,855.70/x
  3. Step 3: Cross multiply
    314,935,639.70x = 472,403,459.55 × 88,000,855.70
  4. Step 4: Simplify right side
    314,935,639.70x = 41,571,908,676,040,336
  5. Step 5: Solve for x
    x = 41,571,908,676,040,336/314,935,639.70
  6. Step 6: Final answer
    x = 132,001,283.55

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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.