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Finding the Fourth Proportional to 875,708.48, 1,208,477.17 and 473,300.48

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Solution

The fourth proportional to 875,708.48, 1,208,477.17 and 473,300.48 is: 653,154.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,708.48 : 1,208,477.17 = 473,300.48 : x
  2. Step 2: Convert to fraction form
    875,708.48/1,208,477.17 = 473,300.48/x
  3. Step 3: Cross multiply
    875,708.48x = 1,208,477.17 × 473,300.48
  4. Step 4: Simplify right side
    875,708.48x = 571,972,828,242.86
  5. Step 5: Solve for x
    x = 571,972,828,242.86/875,708.48
  6. Step 6: Final answer
    x = 653,154.38

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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.