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Finding the Fourth Proportional to 531,210.50, 733,070.51 and 292,746.50

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Solution

The fourth proportional to 531,210.50, 733,070.51 and 292,746.50 is: 403,990.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,210.50 : 733,070.51 = 292,746.50 : x
  2. Step 2: Convert to fraction form
    531,210.50/733,070.51 = 292,746.50/x
  3. Step 3: Cross multiply
    531,210.50x = 733,070.51 × 292,746.50
  4. Step 4: Simplify right side
    531,210.50x = 214,603,826,055.72
  5. Step 5: Solve for x
    x = 214,603,826,055.72/531,210.50
  6. Step 6: Final answer
    x = 403,990.18

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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.