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Finding the Fourth Proportional to 603,927.90, 907,641.45 and 593,430.30

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Solution

The fourth proportional to 603,927.90, 907,641.45 and 593,430.30 is: 891,864.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,927.90 : 907,641.45 = 593,430.30 : x
  2. Step 2: Convert to fraction form
    603,927.90/907,641.45 = 593,430.30/x
  3. Step 3: Cross multiply
    603,927.90x = 907,641.45 × 593,430.30
  4. Step 4: Simplify right side
    603,927.90x = 538,621,937,965.94
  5. Step 5: Solve for x
    x = 538,621,937,965.94/603,927.90
  6. Step 6: Final answer
    x = 891,864.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.