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Finding the Fourth Proportional to 673,206.87, 928,898.58 and 401,300.07

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Solution

The fourth proportional to 673,206.87, 928,898.58 and 401,300.07 is: 553,718.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,206.87 : 928,898.58 = 401,300.07 : x
  2. Step 2: Convert to fraction form
    673,206.87/928,898.58 = 401,300.07/x
  3. Step 3: Cross multiply
    673,206.87x = 928,898.58 × 401,300.07
  4. Step 4: Simplify right side
    673,206.87x = 372,767,065,176.90
  5. Step 5: Solve for x
    x = 372,767,065,176.90/673,206.87
  6. Step 6: Final answer
    x = 553,718.45

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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.