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Finding the Fourth Proportional to 875,611.13, 1,208,345.00 and 473,203.13

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Solution

The fourth proportional to 875,611.13, 1,208,345.00 and 473,203.13 is: 653,021.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,611.13 : 1,208,345.00 = 473,203.13 : x
  2. Step 2: Convert to fraction form
    875,611.13/1,208,345.00 = 473,203.13/x
  3. Step 3: Cross multiply
    875,611.13x = 1,208,345.00 × 473,203.13
  4. Step 4: Simplify right side
    875,611.13x = 571,792,627,712.11
  5. Step 5: Solve for x
    x = 571,792,627,712.11/875,611.13
  6. Step 6: Final answer
    x = 653,021.20

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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.