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Finding the Fourth Proportional to 875,879.83, 1,208,715.92 and 473,471.83

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Solution

The fourth proportional to 875,879.83, 1,208,715.92 and 473,471.83 is: 653,392.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,879.83 : 1,208,715.92 = 473,471.83 : x
  2. Step 2: Convert to fraction form
    875,879.83/1,208,715.92 = 473,471.83/x
  3. Step 3: Cross multiply
    875,879.83x = 1,208,715.92 × 473,471.83
  4. Step 4: Simplify right side
    875,879.83x = 572,292,938,592.53
  5. Step 5: Solve for x
    x = 572,292,938,592.53/875,879.83
  6. Step 6: Final answer
    x = 653,392.07

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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.