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Finding the Fourth Proportional to 714,521.98, 985,838.34 and 460,020.52

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Solution

The fourth proportional to 714,521.98, 985,838.34 and 460,020.52 is: 634,698.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,521.98 : 985,838.34 = 460,020.52 : x
  2. Step 2: Convert to fraction form
    714,521.98/985,838.34 = 460,020.52/x
  3. Step 3: Cross multiply
    714,521.98x = 985,838.34 × 460,020.52
  4. Step 4: Simplify right side
    714,521.98x = 453,505,865,802.74
  5. Step 5: Solve for x
    x = 453,505,865,802.74/714,521.98
  6. Step 6: Final answer
    x = 634,698.27

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1.5x scale

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.