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Finding the Fourth Proportional to 630,345.83, 944,802.05 and 554,295.34

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Solution

The fourth proportional to 630,345.83, 944,802.05 and 554,295.34 is: 830,812.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,345.83 : 944,802.05 = 554,295.34 : x
  2. Step 2: Convert to fraction form
    630,345.83/944,802.05 = 554,295.34/x
  3. Step 3: Cross multiply
    630,345.83x = 944,802.05 × 554,295.34
  4. Step 4: Simplify right side
    630,345.83x = 523,699,368,403.97
  5. Step 5: Solve for x
    x = 523,699,368,403.97/630,345.83
  6. Step 6: Final answer
    x = 830,812.77

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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.