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Finding the Fourth Proportional to 450,459,200.40, 631,549,873.20 and 450,459,200.40

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Solution

The fourth proportional to 450,459,200.40, 631,549,873.20 and 450,459,200.40 is: 631,549,873.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,459,200.40 : 631,549,873.20 = 450,459,200.40 : x
  2. Step 2: Convert to fraction form
    450,459,200.40/631,549,873.20 = 450,459,200.40/x
  3. Step 3: Cross multiply
    450,459,200.40x = 631,549,873.20 × 450,459,200.40
  4. Step 4: Simplify right side
    450,459,200.40x = 284,487,450,894,393,408
  5. Step 5: Solve for x
    x = 284,487,450,894,393,408/450,459,200.40
  6. Step 6: Final answer
    x = 631,549,873.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.