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Finding the Fourth Proportional to 525,868.69, 726,924.69 and 469,070.93

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Solution

The fourth proportional to 525,868.69, 726,924.69 and 469,070.93 is: 648,411.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,868.69 : 726,924.69 = 469,070.93 : x
  2. Step 2: Convert to fraction form
    525,868.69/726,924.69 = 469,070.93/x
  3. Step 3: Cross multiply
    525,868.69x = 726,924.69 × 469,070.93
  4. Step 4: Simplify right side
    525,868.69x = 340,979,240,378.26
  5. Step 5: Solve for x
    x = 340,979,240,378.26/525,868.69
  6. Step 6: Final answer
    x = 648,411.38

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Double scale
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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.