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Finding the Fourth Proportional to 609,509.64, 841,348.98 and 367,802.40

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Solution

The fourth proportional to 609,509.64, 841,348.98 and 367,802.40 is: 507,703.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,509.64 : 841,348.98 = 367,802.40 : x
  2. Step 2: Convert to fraction form
    609,509.64/841,348.98 = 367,802.40/x
  3. Step 3: Cross multiply
    609,509.64x = 841,348.98 × 367,802.40
  4. Step 4: Simplify right side
    609,509.64x = 309,450,174,081.55
  5. Step 5: Solve for x
    x = 309,450,174,081.55/609,509.64
  6. Step 6: Final answer
    x = 507,703.49

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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.