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Finding the Fourth Proportional to 867,801.72, 1,197,533.28 and 475,328.46

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Solution

The fourth proportional to 867,801.72, 1,197,533.28 and 475,328.46 is: 655,935.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,801.72 : 1,197,533.28 = 475,328.46 : x
  2. Step 2: Convert to fraction form
    867,801.72/1,197,533.28 = 475,328.46/x
  3. Step 3: Cross multiply
    867,801.72x = 1,197,533.28 × 475,328.46
  4. Step 4: Simplify right side
    867,801.72x = 569,221,649,781.15
  5. Step 5: Solve for x
    x = 569,221,649,781.15/867,801.72
  6. Step 6: Final answer
    x = 655,935.15

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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.