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Finding the Fourth Proportional to 857,602.96, 1,183,564.76 and 475,752.76

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Solution

The fourth proportional to 857,602.96, 1,183,564.76 and 475,752.76 is: 656,579.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,602.96 : 1,183,564.76 = 475,752.76 : x
  2. Step 2: Convert to fraction form
    857,602.96/1,183,564.76 = 475,752.76/x
  3. Step 3: Cross multiply
    857,602.96x = 1,183,564.76 × 475,752.76
  4. Step 4: Simplify right side
    857,602.96x = 563,084,201,208.74
  5. Step 5: Solve for x
    x = 563,084,201,208.74/857,602.96
  6. Step 6: Final answer
    x = 656,579.13

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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.