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Finding the Fourth Proportional to 4,927,298.70, 7,390,948.05 and 4,927,298.70

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Solution

The fourth proportional to 4,927,298.70, 7,390,948.05 and 4,927,298.70 is: 7,390,948.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,927,298.70 : 7,390,948.05 = 4,927,298.70 : x
  2. Step 2: Convert to fraction form
    4,927,298.70/7,390,948.05 = 4,927,298.70/x
  3. Step 3: Cross multiply
    4,927,298.70x = 7,390,948.05 × 4,927,298.70
  4. Step 4: Simplify right side
    4,927,298.70x = 36,417,408,718,532.54
  5. Step 5: Solve for x
    x = 36,417,408,718,532.54/4,927,298.70
  6. Step 6: Final answer
    x = 7,390,948.05

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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.