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Finding the Fourth Proportional to 605,124.40, 907,686.60 and 406,058.80

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Solution

The fourth proportional to 605,124.40, 907,686.60 and 406,058.80 is: 609,088.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,124.40 : 907,686.60 = 406,058.80 : x
  2. Step 2: Convert to fraction form
    605,124.40/907,686.60 = 406,058.80/x
  3. Step 3: Cross multiply
    605,124.40x = 907,686.60 × 406,058.80
  4. Step 4: Simplify right side
    605,124.40x = 368,574,131,572.08
  5. Step 5: Solve for x
    x = 368,574,131,572.08/605,124.40
  6. Step 6: Final answer
    x = 609,088.20

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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.