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Finding the Fourth Proportional to 685,510.14, 947,809.84 and 600,383.19

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Solution

The fourth proportional to 685,510.14, 947,809.84 and 600,383.19 is: 830,110.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,510.14 : 947,809.84 = 600,383.19 : x
  2. Step 2: Convert to fraction form
    685,510.14/947,809.84 = 600,383.19/x
  3. Step 3: Cross multiply
    685,510.14x = 947,809.84 × 600,383.19
  4. Step 4: Simplify right side
    685,510.14x = 569,049,095,252.59
  5. Step 5: Solve for x
    x = 569,049,095,252.59/685,510.14
  6. Step 6: Final answer
    x = 830,110.40

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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.