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Finding the Fourth Proportional to 875,875.50, 1,208,709.81 and 473,467.50

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Solution

The fourth proportional to 875,875.50, 1,208,709.81 and 473,467.50 is: 653,386.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,875.50 : 1,208,709.81 = 473,467.50 : x
  2. Step 2: Convert to fraction form
    875,875.50/1,208,709.81 = 473,467.50/x
  3. Step 3: Cross multiply
    875,875.50x = 1,208,709.81 × 473,467.50
  4. Step 4: Simplify right side
    875,875.50x = 572,284,811,966.18
  5. Step 5: Solve for x
    x = 572,284,811,966.18/875,875.50
  6. Step 6: Final answer
    x = 653,386.03

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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.