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Finding the Fourth Proportional to 403,656,246.40, 605,484,369.60 and 403,656,246.40

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Solution

The fourth proportional to 403,656,246.40, 605,484,369.60 and 403,656,246.40 is: 605,484,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,656,246.40 : 605,484,369.60 = 403,656,246.40 : x
  2. Step 2: Convert to fraction form
    403,656,246.40/605,484,369.60 = 403,656,246.40/x
  3. Step 3: Cross multiply
    403,656,246.40x = 605,484,369.60 × 403,656,246.40
  4. Step 4: Simplify right side
    403,656,246.40x = 244,407,547,886,606,272
  5. Step 5: Solve for x
    x = 244,407,547,886,606,272/403,656,246.40
  6. Step 6: Final answer
    x = 605,484,369.60

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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.