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Finding the Fourth Proportional to 898,169.61, 1,237,368.63 and 625,744.74

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Solution

The fourth proportional to 898,169.61, 1,237,368.63 and 625,744.74 is: 862,060.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,169.61 : 1,237,368.63 = 625,744.74 : x
  2. Step 2: Convert to fraction form
    898,169.61/1,237,368.63 = 625,744.74/x
  3. Step 3: Cross multiply
    898,169.61x = 1,237,368.63 × 625,744.74
  4. Step 4: Simplify right side
    898,169.61x = 774,276,911,663.51
  5. Step 5: Solve for x
    x = 774,276,911,663.51/898,169.61
  6. Step 6: Final answer
    x = 862,060.91

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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.