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Finding the Fourth Proportional to 507,718.51, 700,970.10 and 326,744.93

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Solution

The fourth proportional to 507,718.51, 700,970.10 and 326,744.93 is: 451,113.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,718.51 : 700,970.10 = 326,744.93 : x
  2. Step 2: Convert to fraction form
    507,718.51/700,970.10 = 326,744.93/x
  3. Step 3: Cross multiply
    507,718.51x = 700,970.10 × 326,744.93
  4. Step 4: Simplify right side
    507,718.51x = 229,038,426,256.59
  5. Step 5: Solve for x
    x = 229,038,426,256.59/507,718.51
  6. Step 6: Final answer
    x = 451,113.01

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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.