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Finding the Fourth Proportional to 875,703.67, 1,208,470.53 and 473,295.67

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Solution

The fourth proportional to 875,703.67, 1,208,470.53 and 473,295.67 is: 653,147.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,703.67 : 1,208,470.53 = 473,295.67 : x
  2. Step 2: Convert to fraction form
    875,703.67/1,208,470.53 = 473,295.67/x
  3. Step 3: Cross multiply
    875,703.67x = 1,208,470.53 × 473,295.67
  4. Step 4: Simplify right side
    875,703.67x = 571,963,869,171.61
  5. Step 5: Solve for x
    x = 571,963,869,171.61/875,703.67
  6. Step 6: Final answer
    x = 653,147.74

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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.