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Finding the Fourth Proportional to 736,506.01, 1,016,035 and 478,364.59

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Solution

The fourth proportional to 736,506.01, 1,016,035 and 478,364.59 is: 659,920.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,506.01 : 1,016,035 = 478,364.59 : x
  2. Step 2: Convert to fraction form
    736,506.01/1,016,035 = 478,364.59/x
  3. Step 3: Cross multiply
    736,506.01x = 1,016,035 × 478,364.59
  4. Step 4: Simplify right side
    736,506.01x = 486,035,166,200.65
  5. Step 5: Solve for x
    x = 486,035,166,200.65/736,506.01
  6. Step 6: Final answer
    x = 659,920.16

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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.