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Finding the Fourth Proportional to 604,868.40, 907,302.60 and 415,911.60

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Solution

The fourth proportional to 604,868.40, 907,302.60 and 415,911.60 is: 623,867.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,868.40 : 907,302.60 = 415,911.60 : x
  2. Step 2: Convert to fraction form
    604,868.40/907,302.60 = 415,911.60/x
  3. Step 3: Cross multiply
    604,868.40x = 907,302.60 × 415,911.60
  4. Step 4: Simplify right side
    604,868.40x = 377,357,676,050.16
  5. Step 5: Solve for x
    x = 377,357,676,050.16/604,868.40
  6. Step 6: Final answer
    x = 623,867.40

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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.