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Finding the Fourth Proportional to 612,641,545.47, 845,450,728.52 and 334,184,307.39

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Solution

The fourth proportional to 612,641,545.47, 845,450,728.52 and 334,184,307.39 is: 461,177,287.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,641,545.47 : 845,450,728.52 = 334,184,307.39 : x
  2. Step 2: Convert to fraction form
    612,641,545.47/845,450,728.52 = 334,184,307.39/x
  3. Step 3: Cross multiply
    612,641,545.47x = 845,450,728.52 × 334,184,307.39
  4. Step 4: Simplify right side
    612,641,545.47x = 282,536,366,141,156,192
  5. Step 5: Solve for x
    x = 282,536,366,141,156,192/612,641,545.47
  6. Step 6: Final answer
    x = 461,177,287.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.